Home / 1,053.24-1,572.20-966.57

Finding the Fourth Proportional to 1,053.24, 1,572.20 and 966.57

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Solution

The fourth proportional to 1,053.24, 1,572.20 and 966.57 is: 1,442.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053.24 : 1,572.20 = 966.57 : x
  2. Step 2: Convert to fraction form
    1,053.24/1,572.20 = 966.57/x
  3. Step 3: Cross multiply
    1,053.24x = 1,572.20 × 966.57
  4. Step 4: Simplify right side
    1,053.24x = 1,519,636.52
  5. Step 5: Solve for x
    x = 1,519,636.52/1,053.24
  6. Step 6: Final answer
    x = 1,442.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.