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Finding the Fourth Proportional to 3,340.62, 4,609.82 and 1,848.23

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Solution

The fourth proportional to 3,340.62, 4,609.82 and 1,848.23 is: 2,550.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,340.62 : 4,609.82 = 1,848.23 : x
  2. Step 2: Convert to fraction form
    3,340.62/4,609.82 = 1,848.23/x
  3. Step 3: Cross multiply
    3,340.62x = 4,609.82 × 1,848.23
  4. Step 4: Simplify right side
    3,340.62x = 8,520,007.62
  5. Step 5: Solve for x
    x = 8,520,007.62/3,340.62
  6. Step 6: Final answer
    x = 2,550.43

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Half scale
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Double scale
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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.