Home / 2,251.25-3,378.62-1,562.75

Finding the Fourth Proportional to 2,251.25, 3,378.62 and 1,562.75

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Solution

The fourth proportional to 2,251.25, 3,378.62 and 1,562.75 is: 2,345.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.25 : 3,378.62 = 1,562.75 : x
  2. Step 2: Convert to fraction form
    2,251.25/3,378.62 = 1,562.75/x
  3. Step 3: Cross multiply
    2,251.25x = 3,378.62 × 1,562.75
  4. Step 4: Simplify right side
    2,251.25x = 5,279,938.41
  5. Step 5: Solve for x
    x = 5,279,938.41/2,251.25
  6. Step 6: Final answer
    x = 2,345.34

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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.