Home / 1,560.20-2,340.46-635.85

Finding the Fourth Proportional to 1,560.20, 2,340.46 and 635.85

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Solution

The fourth proportional to 1,560.20, 2,340.46 and 635.85 is: 953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560.20 : 2,340.46 = 635.85 : x
  2. Step 2: Convert to fraction form
    1,560.20/2,340.46 = 635.85/x
  3. Step 3: Cross multiply
    1,560.20x = 2,340.46 × 635.85
  4. Step 4: Simplify right side
    1,560.20x = 1,488,182.29
  5. Step 5: Solve for x
    x = 1,488,182.29/1,560.20
  6. Step 6: Final answer
    x = 953.84

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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.