Home / 3,417.13-5,128.13-2,637.91

Finding the Fourth Proportional to 3,417.13, 5,128.13 and 2,637.91

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Solution

The fourth proportional to 3,417.13, 5,128.13 and 2,637.91 is: 3,958.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.13 : 5,128.13 = 2,637.91 : x
  2. Step 2: Convert to fraction form
    3,417.13/5,128.13 = 2,637.91/x
  3. Step 3: Cross multiply
    3,417.13x = 5,128.13 × 2,637.91
  4. Step 4: Simplify right side
    3,417.13x = 13,527,545.41
  5. Step 5: Solve for x
    x = 13,527,545.41/3,417.13
  6. Step 6: Final answer
    x = 3,958.74

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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.