Home / 3,726.32-5,590.49-3,318.28

Finding the Fourth Proportional to 3,726.32, 5,590.49 and 3,318.28

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Solution

The fourth proportional to 3,726.32, 5,590.49 and 3,318.28 is: 4,978.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.32 : 5,590.49 = 3,318.28 : x
  2. Step 2: Convert to fraction form
    3,726.32/5,590.49 = 3,318.28/x
  3. Step 3: Cross multiply
    3,726.32x = 5,590.49 × 3,318.28
  4. Step 4: Simplify right side
    3,726.32x = 18,550,780.59
  5. Step 5: Solve for x
    x = 18,550,780.59/3,726.32
  6. Step 6: Final answer
    x = 4,978.32

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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.