Home / 4,252.90-6,379.35-1,331.19

Finding the Fourth Proportional to 4,252.90, 6,379.35 and 1,331.19

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Solution

The fourth proportional to 4,252.90, 6,379.35 and 1,331.19 is: 1,996.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.90 : 6,379.35 = 1,331.19 : x
  2. Step 2: Convert to fraction form
    4,252.90/6,379.35 = 1,331.19/x
  3. Step 3: Cross multiply
    4,252.90x = 6,379.35 × 1,331.19
  4. Step 4: Simplify right side
    4,252.90x = 8,492,126.93
  5. Step 5: Solve for x
    x = 8,492,126.93/4,252.90
  6. Step 6: Final answer
    x = 1,996.79

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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.