Home / 3,399.76-5,099.63-2,165.92

Finding the Fourth Proportional to 3,399.76, 5,099.63 and 2,165.92

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Solution

The fourth proportional to 3,399.76, 5,099.63 and 2,165.92 is: 3,248.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.76 : 5,099.63 = 2,165.92 : x
  2. Step 2: Convert to fraction form
    3,399.76/5,099.63 = 2,165.92/x
  3. Step 3: Cross multiply
    3,399.76x = 5,099.63 × 2,165.92
  4. Step 4: Simplify right side
    3,399.76x = 11,045,407.90
  5. Step 5: Solve for x
    x = 11,045,407.90/3,399.76
  6. Step 6: Final answer
    x = 3,248.88

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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.