Home / 3,082.19-4,253.90-1,963.62

Finding the Fourth Proportional to 3,082.19, 4,253.90 and 1,963.62

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Solution

The fourth proportional to 3,082.19, 4,253.90 and 1,963.62 is: 2,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.19 : 4,253.90 = 1,963.62 : x
  2. Step 2: Convert to fraction form
    3,082.19/4,253.90 = 1,963.62/x
  3. Step 3: Cross multiply
    3,082.19x = 4,253.90 × 1,963.62
  4. Step 4: Simplify right side
    3,082.19x = 8,353,043.12
  5. Step 5: Solve for x
    x = 8,353,043.12/3,082.19
  6. Step 6: Final answer
    x = 2,710.10

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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.