Home / 3,637.50-5,456.17-1,138.71

Finding the Fourth Proportional to 3,637.50, 5,456.17 and 1,138.71

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Solution

The fourth proportional to 3,637.50, 5,456.17 and 1,138.71 is: 1,708.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637.50 : 5,456.17 = 1,138.71 : x
  2. Step 2: Convert to fraction form
    3,637.50/5,456.17 = 1,138.71/x
  3. Step 3: Cross multiply
    3,637.50x = 5,456.17 × 1,138.71
  4. Step 4: Simplify right side
    3,637.50x = 6,212,995.34
  5. Step 5: Solve for x
    x = 6,212,995.34/3,637.50
  6. Step 6: Final answer
    x = 1,708.04

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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.