Home / 3,722.27-5,583.33-1,125.20

Finding the Fourth Proportional to 3,722.27, 5,583.33 and 1,125.20

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Solution

The fourth proportional to 3,722.27, 5,583.33 and 1,125.20 is: 1,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.27 : 5,583.33 = 1,125.20 : x
  2. Step 2: Convert to fraction form
    3,722.27/5,583.33 = 1,125.20/x
  3. Step 3: Cross multiply
    3,722.27x = 5,583.33 × 1,125.20
  4. Step 4: Simplify right side
    3,722.27x = 6,282,376.87
  5. Step 5: Solve for x
    x = 6,282,376.87/3,722.27
  6. Step 6: Final answer
    x = 1,687.78

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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.