Home / 2,822.78-4,230.52-1,177.09

Finding the Fourth Proportional to 2,822.78, 4,230.52 and 1,177.09

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Solution

The fourth proportional to 2,822.78, 4,230.52 and 1,177.09 is: 1,764.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822.78 : 4,230.52 = 1,177.09 : x
  2. Step 2: Convert to fraction form
    2,822.78/4,230.52 = 1,177.09/x
  3. Step 3: Cross multiply
    2,822.78x = 4,230.52 × 1,177.09
  4. Step 4: Simplify right side
    2,822.78x = 4,979,702.79
  5. Step 5: Solve for x
    x = 4,979,702.79/2,822.78
  6. Step 6: Final answer
    x = 1,764.11

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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.