Home / 1,248.18-1,723.17-750.94

Finding the Fourth Proportional to 1,248.18, 1,723.17 and 750.94

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Solution

The fourth proportional to 1,248.18, 1,723.17 and 750.94 is: 1,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.18 : 1,723.17 = 750.94 : x
  2. Step 2: Convert to fraction form
    1,248.18/1,723.17 = 750.94/x
  3. Step 3: Cross multiply
    1,248.18x = 1,723.17 × 750.94
  4. Step 4: Simplify right side
    1,248.18x = 1,293,995.79
  5. Step 5: Solve for x
    x = 1,293,995.79/1,248.18
  6. Step 6: Final answer
    x = 1,036.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.