Home / 3,115.54-4,670.96-1,882.66

Finding the Fourth Proportional to 3,115.54, 4,670.96 and 1,882.66

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Solution

The fourth proportional to 3,115.54, 4,670.96 and 1,882.66 is: 2,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.54 : 4,670.96 = 1,882.66 : x
  2. Step 2: Convert to fraction form
    3,115.54/4,670.96 = 1,882.66/x
  3. Step 3: Cross multiply
    3,115.54x = 4,670.96 × 1,882.66
  4. Step 4: Simplify right side
    3,115.54x = 8,793,829.55
  5. Step 5: Solve for x
    x = 8,793,829.55/3,115.54
  6. Step 6: Final answer
    x = 2,822.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.