Home / 3,079.62-4,249.91-1,753.45

Finding the Fourth Proportional to 3,079.62, 4,249.91 and 1,753.45

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Solution

The fourth proportional to 3,079.62, 4,249.91 and 1,753.45 is: 2,419.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.62 : 4,249.91 = 1,753.45 : x
  2. Step 2: Convert to fraction form
    3,079.62/4,249.91 = 1,753.45/x
  3. Step 3: Cross multiply
    3,079.62x = 4,249.91 × 1,753.45
  4. Step 4: Simplify right side
    3,079.62x = 7,451,998.45
  5. Step 5: Solve for x
    x = 7,451,998.45/3,079.62
  6. Step 6: Final answer
    x = 2,419.78

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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.