Home / 2,816.20-4,233.42-2,613.30

Finding the Fourth Proportional to 2,816.20, 4,233.42 and 2,613.30

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Solution

The fourth proportional to 2,816.20, 4,233.42 and 2,613.30 is: 3,928.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.20 : 4,233.42 = 2,613.30 : x
  2. Step 2: Convert to fraction form
    2,816.20/4,233.42 = 2,613.30/x
  3. Step 3: Cross multiply
    2,816.20x = 4,233.42 × 2,613.30
  4. Step 4: Simplify right side
    2,816.20x = 11,063,196.49
  5. Step 5: Solve for x
    x = 11,063,196.49/2,816.20
  6. Step 6: Final answer
    x = 3,928.41

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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.