Home / 3,142.75-4,326.08-2,717.16

Finding the Fourth Proportional to 3,142.75, 4,326.08 and 2,717.16

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Solution

The fourth proportional to 3,142.75, 4,326.08 and 2,717.16 is: 3,740.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.75 : 4,326.08 = 2,717.16 : x
  2. Step 2: Convert to fraction form
    3,142.75/4,326.08 = 2,717.16/x
  3. Step 3: Cross multiply
    3,142.75x = 4,326.08 × 2,717.16
  4. Step 4: Simplify right side
    3,142.75x = 11,754,629.90
  5. Step 5: Solve for x
    x = 11,754,629.90/3,142.75
  6. Step 6: Final answer
    x = 3,740.24

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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.