Home / 3,160.28-4,740.62-969.04

Finding the Fourth Proportional to 3,160.28, 4,740.62 and 969.04

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Solution

The fourth proportional to 3,160.28, 4,740.62 and 969.04 is: 1,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.28 : 4,740.62 = 969.04 : x
  2. Step 2: Convert to fraction form
    3,160.28/4,740.62 = 969.04/x
  3. Step 3: Cross multiply
    3,160.28x = 4,740.62 × 969.04
  4. Step 4: Simplify right side
    3,160.28x = 4,593,850.40
  5. Step 5: Solve for x
    x = 4,593,850.40/3,160.28
  6. Step 6: Final answer
    x = 1,453.62

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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.