Home / 3,182.78-4,773.24-1,102.70

Finding the Fourth Proportional to 3,182.78, 4,773.24 and 1,102.70

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Solution

The fourth proportional to 3,182.78, 4,773.24 and 1,102.70 is: 1,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.78 : 4,773.24 = 1,102.70 : x
  2. Step 2: Convert to fraction form
    3,182.78/4,773.24 = 1,102.70/x
  3. Step 3: Cross multiply
    3,182.78x = 4,773.24 × 1,102.70
  4. Step 4: Simplify right side
    3,182.78x = 5,263,427.88
  5. Step 5: Solve for x
    x = 5,263,427.88/3,182.78
  6. Step 6: Final answer
    x = 1,653.72

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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.