Home / 2,961.39-4,082.91-2,428.35

Finding the Fourth Proportional to 2,961.39, 4,082.91 and 2,428.35

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Solution

The fourth proportional to 2,961.39, 4,082.91 and 2,428.35 is: 3,348.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.39 : 4,082.91 = 2,428.35 : x
  2. Step 2: Convert to fraction form
    2,961.39/4,082.91 = 2,428.35/x
  3. Step 3: Cross multiply
    2,961.39x = 4,082.91 × 2,428.35
  4. Step 4: Simplify right side
    2,961.39x = 9,914,734.50
  5. Step 5: Solve for x
    x = 9,914,734.50/2,961.39
  6. Step 6: Final answer
    x = 3,348.00

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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.