Home / 2,702.06-3,728.78-1,523.14

Finding the Fourth Proportional to 2,702.06, 3,728.78 and 1,523.14

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Solution

The fourth proportional to 2,702.06, 3,728.78 and 1,523.14 is: 2,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.06 : 3,728.78 = 1,523.14 : x
  2. Step 2: Convert to fraction form
    2,702.06/3,728.78 = 1,523.14/x
  3. Step 3: Cross multiply
    2,702.06x = 3,728.78 × 1,523.14
  4. Step 4: Simplify right side
    2,702.06x = 5,679,453.97
  5. Step 5: Solve for x
    x = 5,679,453.97/2,702.06
  6. Step 6: Final answer
    x = 2,101.90

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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.