Home / 3,253.20-4,876.92-1,521.36

Finding the Fourth Proportional to 3,253.20, 4,876.92 and 1,521.36

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Solution

The fourth proportional to 3,253.20, 4,876.92 and 1,521.36 is: 2,280.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.20 : 4,876.92 = 1,521.36 : x
  2. Step 2: Convert to fraction form
    3,253.20/4,876.92 = 1,521.36/x
  3. Step 3: Cross multiply
    3,253.20x = 4,876.92 × 1,521.36
  4. Step 4: Simplify right side
    3,253.20x = 7,419,551.01
  5. Step 5: Solve for x
    x = 7,419,551.01/3,253.20
  6. Step 6: Final answer
    x = 2,280.69

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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.