Home / 2,545.20-3,817.68-1,512.32

Finding the Fourth Proportional to 2,545.20, 3,817.68 and 1,512.32

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Solution

The fourth proportional to 2,545.20, 3,817.68 and 1,512.32 is: 2,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.20 : 3,817.68 = 1,512.32 : x
  2. Step 2: Convert to fraction form
    2,545.20/3,817.68 = 1,512.32/x
  3. Step 3: Cross multiply
    2,545.20x = 3,817.68 × 1,512.32
  4. Step 4: Simplify right side
    2,545.20x = 5,773,553.82
  5. Step 5: Solve for x
    x = 5,773,553.82/2,545.20
  6. Step 6: Final answer
    x = 2,268.41

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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.