Home / 4,099.17-5,655.63-2,420.73

Finding the Fourth Proportional to 4,099.17, 5,655.63 and 2,420.73

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Solution

The fourth proportional to 4,099.17, 5,655.63 and 2,420.73 is: 3,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.17 : 5,655.63 = 2,420.73 : x
  2. Step 2: Convert to fraction form
    4,099.17/5,655.63 = 2,420.73/x
  3. Step 3: Cross multiply
    4,099.17x = 5,655.63 × 2,420.73
  4. Step 4: Simplify right side
    4,099.17x = 13,690,753.21
  5. Step 5: Solve for x
    x = 13,690,753.21/4,099.17
  6. Step 6: Final answer
    x = 3,339.88

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Half scale
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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.