Home / 2,542.15-3,815.15-1,082.32

Finding the Fourth Proportional to 2,542.15, 3,815.15 and 1,082.32

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Solution

The fourth proportional to 2,542.15, 3,815.15 and 1,082.32 is: 1,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.15 : 3,815.15 = 1,082.32 : x
  2. Step 2: Convert to fraction form
    2,542.15/3,815.15 = 1,082.32/x
  3. Step 3: Cross multiply
    2,542.15x = 3,815.15 × 1,082.32
  4. Step 4: Simplify right side
    2,542.15x = 4,129,213.15
  5. Step 5: Solve for x
    x = 4,129,213.15/2,542.15
  6. Step 6: Final answer
    x = 1,624.30

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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.