Home / 3,082.32-4,622.99-1,521.90

Finding the Fourth Proportional to 3,082.32, 4,622.99 and 1,521.90

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Solution

The fourth proportional to 3,082.32, 4,622.99 and 1,521.90 is: 2,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.32 : 4,622.99 = 1,521.90 : x
  2. Step 2: Convert to fraction form
    3,082.32/4,622.99 = 1,521.90/x
  3. Step 3: Cross multiply
    3,082.32x = 4,622.99 × 1,521.90
  4. Step 4: Simplify right side
    3,082.32x = 7,035,720.87
  5. Step 5: Solve for x
    x = 7,035,720.87/3,082.32
  6. Step 6: Final answer
    x = 2,282.61

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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.