Home / 3,565.80-4,920.67-2,519.28

Finding the Fourth Proportional to 3,565.80, 4,920.67 and 2,519.28

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Solution

The fourth proportional to 3,565.80, 4,920.67 and 2,519.28 is: 3,476.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.80 : 4,920.67 = 2,519.28 : x
  2. Step 2: Convert to fraction form
    3,565.80/4,920.67 = 2,519.28/x
  3. Step 3: Cross multiply
    3,565.80x = 4,920.67 × 2,519.28
  4. Step 4: Simplify right side
    3,565.80x = 12,396,545.52
  5. Step 5: Solve for x
    x = 12,396,545.52/3,565.80
  6. Step 6: Final answer
    x = 3,476.51

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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.