Home / 1,148.82-1,584.66-1,001.80

Finding the Fourth Proportional to 1,148.82, 1,584.66 and 1,001.80

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Solution

The fourth proportional to 1,148.82, 1,584.66 and 1,001.80 is: 1,381.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148.82 : 1,584.66 = 1,001.80 : x
  2. Step 2: Convert to fraction form
    1,148.82/1,584.66 = 1,001.80/x
  3. Step 3: Cross multiply
    1,148.82x = 1,584.66 × 1,001.80
  4. Step 4: Simplify right side
    1,148.82x = 1,587,512.39
  5. Step 5: Solve for x
    x = 1,587,512.39/1,148.82
  6. Step 6: Final answer
    x = 1,381.86

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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.