Home / 2,930.13-4,396.92-1,082.53

Finding the Fourth Proportional to 2,930.13, 4,396.92 and 1,082.53

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Solution

The fourth proportional to 2,930.13, 4,396.92 and 1,082.53 is: 1,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.13 : 4,396.92 = 1,082.53 : x
  2. Step 2: Convert to fraction form
    2,930.13/4,396.92 = 1,082.53/x
  3. Step 3: Cross multiply
    2,930.13x = 4,396.92 × 1,082.53
  4. Step 4: Simplify right side
    2,930.13x = 4,759,797.81
  5. Step 5: Solve for x
    x = 4,759,797.81/2,930.13
  6. Step 6: Final answer
    x = 1,624.43

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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.