Home / 3,591.90-4,956.66-2,175.57

Finding the Fourth Proportional to 3,591.90, 4,956.66 and 2,175.57

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Solution

The fourth proportional to 3,591.90, 4,956.66 and 2,175.57 is: 3,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.90 : 4,956.66 = 2,175.57 : x
  2. Step 2: Convert to fraction form
    3,591.90/4,956.66 = 2,175.57/x
  3. Step 3: Cross multiply
    3,591.90x = 4,956.66 × 2,175.57
  4. Step 4: Simplify right side
    3,591.90x = 10,783,560.80
  5. Step 5: Solve for x
    x = 10,783,560.80/3,591.90
  6. Step 6: Final answer
    x = 3,002.19

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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.