Home / 1,050.33-1,574.13-939.97

Finding the Fourth Proportional to 1,050.33, 1,574.13 and 939.97

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Solution

The fourth proportional to 1,050.33, 1,574.13 and 939.97 is: 1,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.33 : 1,574.13 = 939.97 : x
  2. Step 2: Convert to fraction form
    1,050.33/1,574.13 = 939.97/x
  3. Step 3: Cross multiply
    1,050.33x = 1,574.13 × 939.97
  4. Step 4: Simplify right side
    1,050.33x = 1,479,640.47
  5. Step 5: Solve for x
    x = 1,479,640.47/1,050.33
  6. Step 6: Final answer
    x = 1,408.73

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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.