Home / 2,702.04-3,728.80-1,523.12

Finding the Fourth Proportional to 2,702.04, 3,728.80 and 1,523.12

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Solution

The fourth proportional to 2,702.04, 3,728.80 and 1,523.12 is: 2,101.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.04 : 3,728.80 = 1,523.12 : x
  2. Step 2: Convert to fraction form
    2,702.04/3,728.80 = 1,523.12/x
  3. Step 3: Cross multiply
    2,702.04x = 3,728.80 × 1,523.12
  4. Step 4: Simplify right side
    2,702.04x = 5,679,409.86
  5. Step 5: Solve for x
    x = 5,679,409.86/2,702.04
  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.