Home / 2,108.38-3,160.14-1,560.12

Finding the Fourth Proportional to 2,108.38, 3,160.14 and 1,560.12

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Solution

The fourth proportional to 2,108.38, 3,160.14 and 1,560.12 is: 2,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108.38 : 3,160.14 = 1,560.12 : x
  2. Step 2: Convert to fraction form
    2,108.38/3,160.14 = 1,560.12/x
  3. Step 3: Cross multiply
    2,108.38x = 3,160.14 × 1,560.12
  4. Step 4: Simplify right side
    2,108.38x = 4,930,197.62
  5. Step 5: Solve for x
    x = 4,930,197.62/2,108.38
  6. Step 6: Final answer
    x = 2,338.38

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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.