Home / 1,332.72-1,841.69-1,000.58

Finding the Fourth Proportional to 1,332.72, 1,841.69 and 1,000.58

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Solution

The fourth proportional to 1,332.72, 1,841.69 and 1,000.58 is: 1,382.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332.72 : 1,841.69 = 1,000.58 : x
  2. Step 2: Convert to fraction form
    1,332.72/1,841.69 = 1,000.58/x
  3. Step 3: Cross multiply
    1,332.72x = 1,841.69 × 1,000.58
  4. Step 4: Simplify right side
    1,332.72x = 1,842,743.97
  5. Step 5: Solve for x
    x = 1,842,743.97/1,332.72
  6. Step 6: Final answer
    x = 1,382.69

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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.