Home / 1,427.08-2,138-1,197.44

Finding the Fourth Proportional to 1,427.08, 2,138 and 1,197.44

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Solution

The fourth proportional to 1,427.08, 2,138 and 1,197.44 is: 1,793.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427.08 : 2,138 = 1,197.44 : x
  2. Step 2: Convert to fraction form
    1,427.08/2,138 = 1,197.44/x
  3. Step 3: Cross multiply
    1,427.08x = 2,138 × 1,197.44
  4. Step 4: Simplify right side
    1,427.08x = 2,560,126.72
  5. Step 5: Solve for x
    x = 2,560,126.72/1,427.08
  6. Step 6: Final answer
    x = 1,793.96

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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.