Home / 1,679.73-2,508.28-1,372.19

Finding the Fourth Proportional to 1,679.73, 2,508.28 and 1,372.19

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Solution

The fourth proportional to 1,679.73, 2,508.28 and 1,372.19 is: 2,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679.73 : 2,508.28 = 1,372.19 : x
  2. Step 2: Convert to fraction form
    1,679.73/2,508.28 = 1,372.19/x
  3. Step 3: Cross multiply
    1,679.73x = 2,508.28 × 1,372.19
  4. Step 4: Simplify right side
    1,679.73x = 3,441,836.73
  5. Step 5: Solve for x
    x = 3,441,836.73/1,679.73
  6. Step 6: Final answer
    x = 2,049.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.