Home / 3,158.19-4,737.29-849.69

Finding the Fourth Proportional to 3,158.19, 4,737.29 and 849.69

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Solution

The fourth proportional to 3,158.19, 4,737.29 and 849.69 is: 1,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.19 : 4,737.29 = 849.69 : x
  2. Step 2: Convert to fraction form
    3,158.19/4,737.29 = 849.69/x
  3. Step 3: Cross multiply
    3,158.19x = 4,737.29 × 849.69
  4. Step 4: Simplify right side
    3,158.19x = 4,025,227.94
  5. Step 5: Solve for x
    x = 4,025,227.94/3,158.19
  6. Step 6: Final answer
    x = 1,274.54

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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.