Home / 3,073.28-4,611.72-1,125.62

Finding the Fourth Proportional to 3,073.28, 4,611.72 and 1,125.62

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Solution

The fourth proportional to 3,073.28, 4,611.72 and 1,125.62 is: 1,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.28 : 4,611.72 = 1,125.62 : x
  2. Step 2: Convert to fraction form
    3,073.28/4,611.72 = 1,125.62/x
  3. Step 3: Cross multiply
    3,073.28x = 4,611.72 × 1,125.62
  4. Step 4: Simplify right side
    3,073.28x = 5,191,044.27
  5. Step 5: Solve for x
    x = 5,191,044.27/3,073.28
  6. Step 6: Final answer
    x = 1,689.09

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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.