Home / 1,251.56-1,872.39-1,046.45

Finding the Fourth Proportional to 1,251.56, 1,872.39 and 1,046.45

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Solution

The fourth proportional to 1,251.56, 1,872.39 and 1,046.45 is: 1,565.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251.56 : 1,872.39 = 1,046.45 : x
  2. Step 2: Convert to fraction form
    1,251.56/1,872.39 = 1,046.45/x
  3. Step 3: Cross multiply
    1,251.56x = 1,872.39 × 1,046.45
  4. Step 4: Simplify right side
    1,251.56x = 1,959,362.52
  5. Step 5: Solve for x
    x = 1,959,362.52/1,251.56
  6. Step 6: Final answer
    x = 1,565.54

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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.