Home / 3,958.76-5,463.60-2,387.72

Finding the Fourth Proportional to 3,958.76, 5,463.60 and 2,387.72

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Solution

The fourth proportional to 3,958.76, 5,463.60 and 2,387.72 is: 3,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.76 : 5,463.60 = 2,387.72 : x
  2. Step 2: Convert to fraction form
    3,958.76/5,463.60 = 2,387.72/x
  3. Step 3: Cross multiply
    3,958.76x = 5,463.60 × 2,387.72
  4. Step 4: Simplify right side
    3,958.76x = 13,045,546.99
  5. Step 5: Solve for x
    x = 13,045,546.99/3,958.76
  6. Step 6: Final answer
    x = 3,295.36

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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.