Home / 3,614.38-5,417.94-2,154.22

Finding the Fourth Proportional to 3,614.38, 5,417.94 and 2,154.22

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Solution

The fourth proportional to 3,614.38, 5,417.94 and 2,154.22 is: 3,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.38 : 5,417.94 = 2,154.22 : x
  2. Step 2: Convert to fraction form
    3,614.38/5,417.94 = 2,154.22/x
  3. Step 3: Cross multiply
    3,614.38x = 5,417.94 × 2,154.22
  4. Step 4: Simplify right side
    3,614.38x = 11,671,434.71
  5. Step 5: Solve for x
    x = 11,671,434.71/3,614.38
  6. Step 6: Final answer
    x = 3,229.17

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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.