Home / 2,179.14-3,269.22-718.24

Finding the Fourth Proportional to 2,179.14, 3,269.22 and 718.24

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Solution

The fourth proportional to 2,179.14, 3,269.22 and 718.24 is: 1,077.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.14 : 3,269.22 = 718.24 : x
  2. Step 2: Convert to fraction form
    2,179.14/3,269.22 = 718.24/x
  3. Step 3: Cross multiply
    2,179.14x = 3,269.22 × 718.24
  4. Step 4: Simplify right side
    2,179.14x = 2,348,084.57
  5. Step 5: Solve for x
    x = 2,348,084.57/2,179.14
  6. Step 6: Final answer
    x = 1,077.53

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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.