Home / 3,082.16-4,621.48-1,833.28

Finding the Fourth Proportional to 3,082.16, 4,621.48 and 1,833.28

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Solution

The fourth proportional to 3,082.16, 4,621.48 and 1,833.28 is: 2,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.16 : 4,621.48 = 1,833.28 : x
  2. Step 2: Convert to fraction form
    3,082.16/4,621.48 = 1,833.28/x
  3. Step 3: Cross multiply
    3,082.16x = 4,621.48 × 1,833.28
  4. Step 4: Simplify right side
    3,082.16x = 8,472,466.85
  5. Step 5: Solve for x
    x = 8,472,466.85/3,082.16
  6. Step 6: Final answer
    x = 2,748.87

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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.