Home / 3,137.48-4,331.54-1,959.16

Finding the Fourth Proportional to 3,137.48, 4,331.54 and 1,959.16

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Solution

The fourth proportional to 3,137.48, 4,331.54 and 1,959.16 is: 2,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.48 : 4,331.54 = 1,959.16 : x
  2. Step 2: Convert to fraction form
    3,137.48/4,331.54 = 1,959.16/x
  3. Step 3: Cross multiply
    3,137.48x = 4,331.54 × 1,959.16
  4. Step 4: Simplify right side
    3,137.48x = 8,486,179.91
  5. Step 5: Solve for x
    x = 8,486,179.91/3,137.48
  6. Step 6: Final answer
    x = 2,704.78

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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.