Home / 2,759.32-4,116.48-2,270.88

Finding the Fourth Proportional to 2,759.32, 4,116.48 and 2,270.88

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Solution

The fourth proportional to 2,759.32, 4,116.48 and 2,270.88 is: 3,387.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.32 : 4,116.48 = 2,270.88 : x
  2. Step 2: Convert to fraction form
    2,759.32/4,116.48 = 2,270.88/x
  3. Step 3: Cross multiply
    2,759.32x = 4,116.48 × 2,270.88
  4. Step 4: Simplify right side
    2,759.32x = 9,348,032.10
  5. Step 5: Solve for x
    x = 9,348,032.10/2,759.32
  6. Step 6: Final answer
    x = 3,387.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.