Home / 3,742.96-5,165.46-2,481.76

Finding the Fourth Proportional to 3,742.96, 5,165.46 and 2,481.76

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Solution

The fourth proportional to 3,742.96, 5,165.46 and 2,481.76 is: 3,424.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.96 : 5,165.46 = 2,481.76 : x
  2. Step 2: Convert to fraction form
    3,742.96/5,165.46 = 2,481.76/x
  3. Step 3: Cross multiply
    3,742.96x = 5,165.46 × 2,481.76
  4. Step 4: Simplify right side
    3,742.96x = 12,819,432.01
  5. Step 5: Solve for x
    x = 12,819,432.01/3,742.96
  6. Step 6: Final answer
    x = 3,424.94

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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.