Home / 2,960.28-4,082.40-1,910.52

Finding the Fourth Proportional to 2,960.28, 4,082.40 and 1,910.52

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Solution

The fourth proportional to 2,960.28, 4,082.40 and 1,910.52 is: 2,634.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.28 : 4,082.40 = 1,910.52 : x
  2. Step 2: Convert to fraction form
    2,960.28/4,082.40 = 1,910.52/x
  3. Step 3: Cross multiply
    2,960.28x = 4,082.40 × 1,910.52
  4. Step 4: Simplify right side
    2,960.28x = 7,799,506.85
  5. Step 5: Solve for x
    x = 7,799,506.85/2,960.28
  6. Step 6: Final answer
    x = 2,634.72

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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.