Home / 3,433.60-5,150.40-968.50

Finding the Fourth Proportional to 3,433.60, 5,150.40 and 968.50

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Solution

The fourth proportional to 3,433.60, 5,150.40 and 968.50 is: 1,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,433.60 : 5,150.40 = 968.50 : x
  2. Step 2: Convert to fraction form
    3,433.60/5,150.40 = 968.50/x
  3. Step 3: Cross multiply
    3,433.60x = 5,150.40 × 968.50
  4. Step 4: Simplify right side
    3,433.60x = 4,988,162.40
  5. Step 5: Solve for x
    x = 4,988,162.40/3,433.60
  6. Step 6: Final answer
    x = 1,452.75

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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.