Home / 3,342.75-4,613.27-1,945.77

Finding the Fourth Proportional to 3,342.75, 4,613.27 and 1,945.77

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Solution

The fourth proportional to 3,342.75, 4,613.27 and 1,945.77 is: 2,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.75 : 4,613.27 = 1,945.77 : x
  2. Step 2: Convert to fraction form
    3,342.75/4,613.27 = 1,945.77/x
  3. Step 3: Cross multiply
    3,342.75x = 4,613.27 × 1,945.77
  4. Step 4: Simplify right side
    3,342.75x = 8,976,352.64
  5. Step 5: Solve for x
    x = 8,976,352.64/3,342.75
  6. Step 6: Final answer
    x = 2,685.32

Related Problems

Find fourth proportional to 1,671.38, 2,306.63 and 972.89
Half scale
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Double scale
Find fourth proportional to 3,343.75, 4,614.65 and 1,946.77
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.