Home / 2,252.38-3,108.10-1,455.75

Finding the Fourth Proportional to 2,252.38, 3,108.10 and 1,455.75

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Solution

The fourth proportional to 2,252.38, 3,108.10 and 1,455.75 is: 2,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.38 : 3,108.10 = 1,455.75 : x
  2. Step 2: Convert to fraction form
    2,252.38/3,108.10 = 1,455.75/x
  3. Step 3: Cross multiply
    2,252.38x = 3,108.10 × 1,455.75
  4. Step 4: Simplify right side
    2,252.38x = 4,524,616.58
  5. Step 5: Solve for x
    x = 4,524,616.58/2,252.38
  6. Step 6: Final answer
    x = 2,008.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.