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Finding the Fourth Proportional to 3,740.71, 5,612.37 and 1,662.18

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Solution

The fourth proportional to 3,740.71, 5,612.37 and 1,662.18 is: 2,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.71 : 5,612.37 = 1,662.18 : x
  2. Step 2: Convert to fraction form
    3,740.71/5,612.37 = 1,662.18/x
  3. Step 3: Cross multiply
    3,740.71x = 5,612.37 × 1,662.18
  4. Step 4: Simplify right side
    3,740.71x = 9,328,769.17
  5. Step 5: Solve for x
    x = 9,328,769.17/3,740.71
  6. Step 6: Final answer
    x = 2,493.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.