Home / 2,089.27-2,882.97-1,249.87

Finding the Fourth Proportional to 2,089.27, 2,882.97 and 1,249.87

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Solution

The fourth proportional to 2,089.27, 2,882.97 and 1,249.87 is: 1,724.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.27 : 2,882.97 = 1,249.87 : x
  2. Step 2: Convert to fraction form
    2,089.27/2,882.97 = 1,249.87/x
  3. Step 3: Cross multiply
    2,089.27x = 2,882.97 × 1,249.87
  4. Step 4: Simplify right side
    2,089.27x = 3,603,337.71
  5. Step 5: Solve for x
    x = 3,603,337.71/2,089.27
  6. Step 6: Final answer
    x = 1,724.69

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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.