Home / 3,082.36-4,256.76-1,963.80

Finding the Fourth Proportional to 3,082.36, 4,256.76 and 1,963.80

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Solution

The fourth proportional to 3,082.36, 4,256.76 and 1,963.80 is: 2,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.36 : 4,256.76 = 1,963.80 : x
  2. Step 2: Convert to fraction form
    3,082.36/4,256.76 = 1,963.80/x
  3. Step 3: Cross multiply
    3,082.36x = 4,256.76 × 1,963.80
  4. Step 4: Simplify right side
    3,082.36x = 8,359,425.29
  5. Step 5: Solve for x
    x = 8,359,425.29/3,082.36
  6. Step 6: Final answer
    x = 2,712.02

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1.5x scale

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.