Home / 4,129.92-6,195.84-2,280.96

Finding the Fourth Proportional to 4,129.92, 6,195.84 and 2,280.96

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Solution

The fourth proportional to 4,129.92, 6,195.84 and 2,280.96 is: 3,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.92 : 6,195.84 = 2,280.96 : x
  2. Step 2: Convert to fraction form
    4,129.92/6,195.84 = 2,280.96/x
  3. Step 3: Cross multiply
    4,129.92x = 6,195.84 × 2,280.96
  4. Step 4: Simplify right side
    4,129.92x = 14,132,463.21
  5. Step 5: Solve for x
    x = 14,132,463.21/4,129.92
  6. Step 6: Final answer
    x = 3,421.97

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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.