Home / 2,897.12-4,342.44-1,255.04

Finding the Fourth Proportional to 2,897.12, 4,342.44 and 1,255.04

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Solution

The fourth proportional to 2,897.12, 4,342.44 and 1,255.04 is: 1,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.12 : 4,342.44 = 1,255.04 : x
  2. Step 2: Convert to fraction form
    2,897.12/4,342.44 = 1,255.04/x
  3. Step 3: Cross multiply
    2,897.12x = 4,342.44 × 1,255.04
  4. Step 4: Simplify right side
    2,897.12x = 5,449,935.90
  5. Step 5: Solve for x
    x = 5,449,935.90/2,897.12
  6. Step 6: Final answer
    x = 1,881.16

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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.