Home / 3,723.03-5,585.46-1,125.90

Finding the Fourth Proportional to 3,723.03, 5,585.46 and 1,125.90

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Solution

The fourth proportional to 3,723.03, 5,585.46 and 1,125.90 is: 1,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.03 : 5,585.46 = 1,125.90 : x
  2. Step 2: Convert to fraction form
    3,723.03/5,585.46 = 1,125.90/x
  3. Step 3: Cross multiply
    3,723.03x = 5,585.46 × 1,125.90
  4. Step 4: Simplify right side
    3,723.03x = 6,288,669.41
  5. Step 5: Solve for x
    x = 6,288,669.41/3,723.03
  6. Step 6: Final answer
    x = 1,689.13

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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.