Home / 3,126.22-4,688.40-1,177.96

Finding the Fourth Proportional to 3,126.22, 4,688.40 and 1,177.96

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Solution

The fourth proportional to 3,126.22, 4,688.40 and 1,177.96 is: 1,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.22 : 4,688.40 = 1,177.96 : x
  2. Step 2: Convert to fraction form
    3,126.22/4,688.40 = 1,177.96/x
  3. Step 3: Cross multiply
    3,126.22x = 4,688.40 × 1,177.96
  4. Step 4: Simplify right side
    3,126.22x = 5,522,747.66
  5. Step 5: Solve for x
    x = 5,522,747.66/3,126.22
  6. Step 6: Final answer
    x = 1,766.59

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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.