Home / 2,354.91-3,249.49-1,397.66

Finding the Fourth Proportional to 2,354.91, 3,249.49 and 1,397.66

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Solution

The fourth proportional to 2,354.91, 3,249.49 and 1,397.66 is: 1,928.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,354.91 : 3,249.49 = 1,397.66 : x
  2. Step 2: Convert to fraction form
    2,354.91/3,249.49 = 1,397.66/x
  3. Step 3: Cross multiply
    2,354.91x = 3,249.49 × 1,397.66
  4. Step 4: Simplify right side
    2,354.91x = 4,541,690.32
  5. Step 5: Solve for x
    x = 4,541,690.32/2,354.91
  6. Step 6: Final answer
    x = 1,928.61

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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.