Home / 3,082.38-4,621.95-2,108.76

Finding the Fourth Proportional to 3,082.38, 4,621.95 and 2,108.76

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Solution

The fourth proportional to 3,082.38, 4,621.95 and 2,108.76 is: 3,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.38 : 4,621.95 = 2,108.76 : x
  2. Step 2: Convert to fraction form
    3,082.38/4,621.95 = 2,108.76/x
  3. Step 3: Cross multiply
    3,082.38x = 4,621.95 × 2,108.76
  4. Step 4: Simplify right side
    3,082.38x = 9,746,583.28
  5. Step 5: Solve for x
    x = 9,746,583.28/3,082.38
  6. Step 6: Final answer
    x = 3,162.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.