Home / 1,312.82-1,963.15-1,016.97

Finding the Fourth Proportional to 1,312.82, 1,963.15 and 1,016.97

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Solution

The fourth proportional to 1,312.82, 1,963.15 and 1,016.97 is: 1,520.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312.82 : 1,963.15 = 1,016.97 : x
  2. Step 2: Convert to fraction form
    1,312.82/1,963.15 = 1,016.97/x
  3. Step 3: Cross multiply
    1,312.82x = 1,963.15 × 1,016.97
  4. Step 4: Simplify right side
    1,312.82x = 1,996,462.11
  5. Step 5: Solve for x
    x = 1,996,462.11/1,312.82
  6. Step 6: Final answer
    x = 1,520.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.