Home / 4,170.38-6,255.57-1,977.91

Finding the Fourth Proportional to 4,170.38, 6,255.57 and 1,977.91

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Solution

The fourth proportional to 4,170.38, 6,255.57 and 1,977.91 is: 2,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.38 : 6,255.57 = 1,977.91 : x
  2. Step 2: Convert to fraction form
    4,170.38/6,255.57 = 1,977.91/x
  3. Step 3: Cross multiply
    4,170.38x = 6,255.57 × 1,977.91
  4. Step 4: Simplify right side
    4,170.38x = 12,372,944.57
  5. Step 5: Solve for x
    x = 12,372,944.57/4,170.38
  6. Step 6: Final answer
    x = 2,966.87

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.