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Finding the Fourth Proportional to 3,340.75, 4,609.85 and 1,848.46

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Solution

The fourth proportional to 3,340.75, 4,609.85 and 1,848.46 is: 2,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.75 : 4,609.85 = 1,848.46 : x
  2. Step 2: Convert to fraction form
    3,340.75/4,609.85 = 1,848.46/x
  3. Step 3: Cross multiply
    3,340.75x = 4,609.85 × 1,848.46
  4. Step 4: Simplify right side
    3,340.75x = 8,521,123.33
  5. Step 5: Solve for x
    x = 8,521,123.33/3,340.75
  6. Step 6: Final answer
    x = 2,550.66

Related Problems

Find fourth proportional to 1,670.38, 2,304.93 and 924.23
Half scale
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Double scale
Find fourth proportional to 3,341.75, 4,611.23 and 1,849.46
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.