Home / 2,891.17-4,337.70-1,249.30

Finding the Fourth Proportional to 2,891.17, 4,337.70 and 1,249.30

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Solution

The fourth proportional to 2,891.17, 4,337.70 and 1,249.30 is: 1,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.17 : 4,337.70 = 1,249.30 : x
  2. Step 2: Convert to fraction form
    2,891.17/4,337.70 = 1,249.30/x
  3. Step 3: Cross multiply
    2,891.17x = 4,337.70 × 1,249.30
  4. Step 4: Simplify right side
    2,891.17x = 5,419,088.61
  5. Step 5: Solve for x
    x = 5,419,088.61/2,891.17
  6. Step 6: Final answer
    x = 1,874.36

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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.