Home / 3,099.60-4,276.32-2,429.88

Finding the Fourth Proportional to 3,099.60, 4,276.32 and 2,429.88

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Solution

The fourth proportional to 3,099.60, 4,276.32 and 2,429.88 is: 3,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.60 : 4,276.32 = 2,429.88 : x
  2. Step 2: Convert to fraction form
    3,099.60/4,276.32 = 2,429.88/x
  3. Step 3: Cross multiply
    3,099.60x = 4,276.32 × 2,429.88
  4. Step 4: Simplify right side
    3,099.60x = 10,390,944.44
  5. Step 5: Solve for x
    x = 10,390,944.44/3,099.60
  6. Step 6: Final answer
    x = 3,352.35

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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.