Home / 2,251.38-3,376.46-1,080.57

Finding the Fourth Proportional to 2,251.38, 3,376.46 and 1,080.57

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Solution

The fourth proportional to 2,251.38, 3,376.46 and 1,080.57 is: 1,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,251.38 : 3,376.46 = 1,080.57 : x
  2. Step 2: Convert to fraction form
    2,251.38/3,376.46 = 1,080.57/x
  3. Step 3: Cross multiply
    2,251.38x = 3,376.46 × 1,080.57
  4. Step 4: Simplify right side
    2,251.38x = 3,648,495.98
  5. Step 5: Solve for x
    x = 3,648,495.98/2,251.38
  6. Step 6: Final answer
    x = 1,620.56

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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.