Home / 3,617.32-5,423.96-1,426.56

Finding the Fourth Proportional to 3,617.32, 5,423.96 and 1,426.56

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Solution

The fourth proportional to 3,617.32, 5,423.96 and 1,426.56 is: 2,139.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.32 : 5,423.96 = 1,426.56 : x
  2. Step 2: Convert to fraction form
    3,617.32/5,423.96 = 1,426.56/x
  3. Step 3: Cross multiply
    3,617.32x = 5,423.96 × 1,426.56
  4. Step 4: Simplify right side
    3,617.32x = 7,737,604.38
  5. Step 5: Solve for x
    x = 7,737,604.38/3,617.32
  6. Step 6: Final answer
    x = 2,139.04

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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.