Home / 1,227.52-1,691.04-1,030.96

Finding the Fourth Proportional to 1,227.52, 1,691.04 and 1,030.96

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Solution

The fourth proportional to 1,227.52, 1,691.04 and 1,030.96 is: 1,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227.52 : 1,691.04 = 1,030.96 : x
  2. Step 2: Convert to fraction form
    1,227.52/1,691.04 = 1,030.96/x
  3. Step 3: Cross multiply
    1,227.52x = 1,691.04 × 1,030.96
  4. Step 4: Simplify right side
    1,227.52x = 1,743,394.60
  5. Step 5: Solve for x
    x = 1,743,394.60/1,227.52
  6. Step 6: Final answer
    x = 1,420.26

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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.