Home / 1,511.73-2,086.29-922.59

Finding the Fourth Proportional to 1,511.73, 2,086.29 and 922.59

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Solution

The fourth proportional to 1,511.73, 2,086.29 and 922.59 is: 1,273.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.73 : 2,086.29 = 922.59 : x
  2. Step 2: Convert to fraction form
    1,511.73/2,086.29 = 922.59/x
  3. Step 3: Cross multiply
    1,511.73x = 2,086.29 × 922.59
  4. Step 4: Simplify right side
    1,511.73x = 1,924,790.29
  5. Step 5: Solve for x
    x = 1,924,790.29/1,511.73
  6. Step 6: Final answer
    x = 1,273.24

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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.