Home / 3,723.75-5,585.85-1,126.71

Finding the Fourth Proportional to 3,723.75, 5,585.85 and 1,126.71

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Solution

The fourth proportional to 3,723.75, 5,585.85 and 1,126.71 is: 1,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.75 : 5,585.85 = 1,126.71 : x
  2. Step 2: Convert to fraction form
    3,723.75/5,585.85 = 1,126.71/x
  3. Step 3: Cross multiply
    3,723.75x = 5,585.85 × 1,126.71
  4. Step 4: Simplify right side
    3,723.75x = 6,293,633.05
  5. Step 5: Solve for x
    x = 6,293,633.05/3,723.75
  6. Step 6: Final answer
    x = 1,690.13

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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.