Home / 3,158.36-4,352.62-2,272.62

Finding the Fourth Proportional to 3,158.36, 4,352.62 and 2,272.62

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Solution

The fourth proportional to 3,158.36, 4,352.62 and 2,272.62 is: 3,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.36 : 4,352.62 = 2,272.62 : x
  2. Step 2: Convert to fraction form
    3,158.36/4,352.62 = 2,272.62/x
  3. Step 3: Cross multiply
    3,158.36x = 4,352.62 × 2,272.62
  4. Step 4: Simplify right side
    3,158.36x = 9,891,851.26
  5. Step 5: Solve for x
    x = 9,891,851.26/3,158.36
  6. Step 6: Final answer
    x = 3,131.96

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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.