Home / 3,397.62-4,688.17-2,136.49

Finding the Fourth Proportional to 3,397.62, 4,688.17 and 2,136.49

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Solution

The fourth proportional to 3,397.62, 4,688.17 and 2,136.49 is: 2,948.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.62 : 4,688.17 = 2,136.49 : x
  2. Step 2: Convert to fraction form
    3,397.62/4,688.17 = 2,136.49/x
  3. Step 3: Cross multiply
    3,397.62x = 4,688.17 × 2,136.49
  4. Step 4: Simplify right side
    3,397.62x = 10,016,221.94
  5. Step 5: Solve for x
    x = 10,016,221.94/3,397.62
  6. Step 6: Final answer
    x = 2,948.01

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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.