Home / 2,480.68-3,419.08-2,363.90

Finding the Fourth Proportional to 2,480.68, 3,419.08 and 2,363.90

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Solution

The fourth proportional to 2,480.68, 3,419.08 and 2,363.90 is: 3,258.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,480.68 : 3,419.08 = 2,363.90 : x
  2. Step 2: Convert to fraction form
    2,480.68/3,419.08 = 2,363.90/x
  3. Step 3: Cross multiply
    2,480.68x = 3,419.08 × 2,363.90
  4. Step 4: Simplify right side
    2,480.68x = 8,082,363.21
  5. Step 5: Solve for x
    x = 8,082,363.21/2,480.68
  6. Step 6: Final answer
    x = 3,258.12

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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.