Home / 2,816.50-4,224.76-968.15

Finding the Fourth Proportional to 2,816.50, 4,224.76 and 968.15

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Solution

The fourth proportional to 2,816.50, 4,224.76 and 968.15 is: 1,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.50 : 4,224.76 = 968.15 : x
  2. Step 2: Convert to fraction form
    2,816.50/4,224.76 = 968.15/x
  3. Step 3: Cross multiply
    2,816.50x = 4,224.76 × 968.15
  4. Step 4: Simplify right side
    2,816.50x = 4,090,177.85
  5. Step 5: Solve for x
    x = 4,090,177.85/2,816.50
  6. Step 6: Final answer
    x = 1,452.22

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1.5x scale

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.