Home / 2,182.04-3,269.70-1,302.80

Finding the Fourth Proportional to 2,182.04, 3,269.70 and 1,302.80

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Solution

The fourth proportional to 2,182.04, 3,269.70 and 1,302.80 is: 1,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182.04 : 3,269.70 = 1,302.80 : x
  2. Step 2: Convert to fraction form
    2,182.04/3,269.70 = 1,302.80/x
  3. Step 3: Cross multiply
    2,182.04x = 3,269.70 × 1,302.80
  4. Step 4: Simplify right side
    2,182.04x = 4,259,765.16
  5. Step 5: Solve for x
    x = 4,259,765.16/2,182.04
  6. Step 6: Final answer
    x = 1,952.19

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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.