Home / 3,449.32-4,759.92-1,877.38

Finding the Fourth Proportional to 3,449.32, 4,759.92 and 1,877.38

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Solution

The fourth proportional to 3,449.32, 4,759.92 and 1,877.38 is: 2,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.32 : 4,759.92 = 1,877.38 : x
  2. Step 2: Convert to fraction form
    3,449.32/4,759.92 = 1,877.38/x
  3. Step 3: Cross multiply
    3,449.32x = 4,759.92 × 1,877.38
  4. Step 4: Simplify right side
    3,449.32x = 8,936,178.61
  5. Step 5: Solve for x
    x = 8,936,178.61/3,449.32
  6. Step 6: Final answer
    x = 2,590.71

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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.