Home / 3,726.32-5,589.61-1,129.19

Finding the Fourth Proportional to 3,726.32, 5,589.61 and 1,129.19

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Solution

The fourth proportional to 3,726.32, 5,589.61 and 1,129.19 is: 1,693.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.32 : 5,589.61 = 1,129.19 : x
  2. Step 2: Convert to fraction form
    3,726.32/5,589.61 = 1,129.19/x
  3. Step 3: Cross multiply
    3,726.32x = 5,589.61 × 1,129.19
  4. Step 4: Simplify right side
    3,726.32x = 6,311,700.94
  5. Step 5: Solve for x
    x = 6,311,700.94/3,726.32
  6. Step 6: Final answer
    x = 1,693.82

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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.