Home / 3,137.54-4,330.06-1,959.80

Finding the Fourth Proportional to 3,137.54, 4,330.06 and 1,959.80

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Solution

The fourth proportional to 3,137.54, 4,330.06 and 1,959.80 is: 2,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.54 : 4,330.06 = 1,959.80 : x
  2. Step 2: Convert to fraction form
    3,137.54/4,330.06 = 1,959.80/x
  3. Step 3: Cross multiply
    3,137.54x = 4,330.06 × 1,959.80
  4. Step 4: Simplify right side
    3,137.54x = 8,486,025.04
  5. Step 5: Solve for x
    x = 8,486,025.04/3,137.54
  6. Step 6: Final answer
    x = 2,704.68

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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.