Home / 3,480.14-4,802-2,082.90

Finding the Fourth Proportional to 3,480.14, 4,802 and 2,082.90

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Solution

The fourth proportional to 3,480.14, 4,802 and 2,082.90 is: 2,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.14 : 4,802 = 2,082.90 : x
  2. Step 2: Convert to fraction form
    3,480.14/4,802 = 2,082.90/x
  3. Step 3: Cross multiply
    3,480.14x = 4,802 × 2,082.90
  4. Step 4: Simplify right side
    3,480.14x = 10,002,085.80
  5. Step 5: Solve for x
    x = 10,002,085.80/3,480.14
  6. Step 6: Final answer
    x = 2,874.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.