Home / 3,343.20-5,011.56-3,148.80

Finding the Fourth Proportional to 3,343.20, 5,011.56 and 3,148.80

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Solution

The fourth proportional to 3,343.20, 5,011.56 and 3,148.80 is: 4,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.20 : 5,011.56 = 3,148.80 : x
  2. Step 2: Convert to fraction form
    3,343.20/5,011.56 = 3,148.80/x
  3. Step 3: Cross multiply
    3,343.20x = 5,011.56 × 3,148.80
  4. Step 4: Simplify right side
    3,343.20x = 15,780,400.13
  5. Step 5: Solve for x
    x = 15,780,400.13/3,343.20
  6. Step 6: Final answer
    x = 4,720.15

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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.