Home / 3,153.10-4,728.26-1,177.96

Finding the Fourth Proportional to 3,153.10, 4,728.26 and 1,177.96

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Solution

The fourth proportional to 3,153.10, 4,728.26 and 1,177.96 is: 1,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.10 : 4,728.26 = 1,177.96 : x
  2. Step 2: Convert to fraction form
    3,153.10/4,728.26 = 1,177.96/x
  3. Step 3: Cross multiply
    3,153.10x = 4,728.26 × 1,177.96
  4. Step 4: Simplify right side
    3,153.10x = 5,569,701.15
  5. Step 5: Solve for x
    x = 5,569,701.15/3,153.10
  6. Step 6: Final answer
    x = 1,766.42

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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.