Home / 1,294.16-1,951.82-1,271.12

Finding the Fourth Proportional to 1,294.16, 1,951.82 and 1,271.12

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Solution

The fourth proportional to 1,294.16, 1,951.82 and 1,271.12 is: 1,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294.16 : 1,951.82 = 1,271.12 : x
  2. Step 2: Convert to fraction form
    1,294.16/1,951.82 = 1,271.12/x
  3. Step 3: Cross multiply
    1,294.16x = 1,951.82 × 1,271.12
  4. Step 4: Simplify right side
    1,294.16x = 2,480,997.44
  5. Step 5: Solve for x
    x = 2,480,997.44/1,294.16
  6. Step 6: Final answer
    x = 1,917.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.