Home / 3,553.20-5,329.80-1,910.52

Finding the Fourth Proportional to 3,553.20, 5,329.80 and 1,910.52

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Solution

The fourth proportional to 3,553.20, 5,329.80 and 1,910.52 is: 2,865.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.20 : 5,329.80 = 1,910.52 : x
  2. Step 2: Convert to fraction form
    3,553.20/5,329.80 = 1,910.52/x
  3. Step 3: Cross multiply
    3,553.20x = 5,329.80 × 1,910.52
  4. Step 4: Simplify right side
    3,553.20x = 10,182,689.50
  5. Step 5: Solve for x
    x = 10,182,689.50/3,553.20
  6. Step 6: Final answer
    x = 2,865.78

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Similar ratio
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1.5x scale

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.