Home / 3,995.68-5,512.44-2,423.20

Finding the Fourth Proportional to 3,995.68, 5,512.44 and 2,423.20

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Solution

The fourth proportional to 3,995.68, 5,512.44 and 2,423.20 is: 3,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.68 : 5,512.44 = 2,423.20 : x
  2. Step 2: Convert to fraction form
    3,995.68/5,512.44 = 2,423.20/x
  3. Step 3: Cross multiply
    3,995.68x = 5,512.44 × 2,423.20
  4. Step 4: Simplify right side
    3,995.68x = 13,357,744.61
  5. Step 5: Solve for x
    x = 13,357,744.61/3,995.68
  6. Step 6: Final answer
    x = 3,343.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.