Home / 3,158.28-4,737.54-849.84

Finding the Fourth Proportional to 3,158.28, 4,737.54 and 849.84

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Solution

The fourth proportional to 3,158.28, 4,737.54 and 849.84 is: 1,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.28 : 4,737.54 = 849.84 : x
  2. Step 2: Convert to fraction form
    3,158.28/4,737.54 = 849.84/x
  3. Step 3: Cross multiply
    3,158.28x = 4,737.54 × 849.84
  4. Step 4: Simplify right side
    3,158.28x = 4,026,150.99
  5. Step 5: Solve for x
    x = 4,026,150.99/3,158.28
  6. Step 6: Final answer
    x = 1,274.79

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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.