Home / 3,995.53-5,982.81-2,819.18

Finding the Fourth Proportional to 3,995.53, 5,982.81 and 2,819.18

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Solution

The fourth proportional to 3,995.53, 5,982.81 and 2,819.18 is: 4,221.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.53 : 5,982.81 = 2,819.18 : x
  2. Step 2: Convert to fraction form
    3,995.53/5,982.81 = 2,819.18/x
  3. Step 3: Cross multiply
    3,995.53x = 5,982.81 × 2,819.18
  4. Step 4: Simplify right side
    3,995.53x = 16,866,621.71
  5. Step 5: Solve for x
    x = 16,866,621.71/3,995.53
  6. Step 6: Final answer
    x = 4,221.38

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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.