Home / 3,171.12-4,402.50-3,076.08

Finding the Fourth Proportional to 3,171.12, 4,402.50 and 3,076.08

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Solution

The fourth proportional to 3,171.12, 4,402.50 and 3,076.08 is: 4,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.12 : 4,402.50 = 3,076.08 : x
  2. Step 2: Convert to fraction form
    3,171.12/4,402.50 = 3,076.08/x
  3. Step 3: Cross multiply
    3,171.12x = 4,402.50 × 3,076.08
  4. Step 4: Simplify right side
    3,171.12x = 13,542,442.20
  5. Step 5: Solve for x
    x = 13,542,442.20/3,171.12
  6. Step 6: Final answer
    x = 4,270.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.