Home / 2,252.90-3,380.46-1,520.87

Finding the Fourth Proportional to 2,252.90, 3,380.46 and 1,520.87

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Solution

The fourth proportional to 2,252.90, 3,380.46 and 1,520.87 is: 2,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.90 : 3,380.46 = 1,520.87 : x
  2. Step 2: Convert to fraction form
    2,252.90/3,380.46 = 1,520.87/x
  3. Step 3: Cross multiply
    2,252.90x = 3,380.46 × 1,520.87
  4. Step 4: Simplify right side
    2,252.90x = 5,141,223.30
  5. Step 5: Solve for x
    x = 5,141,223.30/2,252.90
  6. Step 6: Final answer
    x = 2,282.05

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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.