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Finding the Fourth Proportional to 2,169.82, 3,250.95 and 1,302.22

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Solution

The fourth proportional to 2,169.82, 3,250.95 and 1,302.22 is: 1,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.82 : 3,250.95 = 1,302.22 : x
  2. Step 2: Convert to fraction form
    2,169.82/3,250.95 = 1,302.22/x
  3. Step 3: Cross multiply
    2,169.82x = 3,250.95 × 1,302.22
  4. Step 4: Simplify right side
    2,169.82x = 4,233,452.11
  5. Step 5: Solve for x
    x = 4,233,452.11/2,169.82
  6. Step 6: Final answer
    x = 1,951.06

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1.5x scale

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.