Home / 3,158.34-4,737.78-968.62

Finding the Fourth Proportional to 3,158.34, 4,737.78 and 968.62

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Solution

The fourth proportional to 3,158.34, 4,737.78 and 968.62 is: 1,453.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.34 : 4,737.78 = 968.62 : x
  2. Step 2: Convert to fraction form
    3,158.34/4,737.78 = 968.62/x
  3. Step 3: Cross multiply
    3,158.34x = 4,737.78 × 968.62
  4. Step 4: Simplify right side
    3,158.34x = 4,589,108.46
  5. Step 5: Solve for x
    x = 4,589,108.46/3,158.34
  6. Step 6: Final answer
    x = 1,453.01

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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.