Home / 1,332.80-1,837.30-1,001.24

Finding the Fourth Proportional to 1,332.80, 1,837.30 and 1,001.24

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Solution

The fourth proportional to 1,332.80, 1,837.30 and 1,001.24 is: 1,380.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.80 : 1,837.30 = 1,001.24 : x
  2. Step 2: Convert to fraction form
    1,332.80/1,837.30 = 1,001.24/x
  3. Step 3: Cross multiply
    1,332.80x = 1,837.30 × 1,001.24
  4. Step 4: Simplify right side
    1,332.80x = 1,839,578.25
  5. Step 5: Solve for x
    x = 1,839,578.25/1,332.80
  6. Step 6: Final answer
    x = 1,380.24

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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.