Home / 3,462.60-5,193.90-2,080.20

Finding the Fourth Proportional to 3,462.60, 5,193.90 and 2,080.20

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Solution

The fourth proportional to 3,462.60, 5,193.90 and 2,080.20 is: 3,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.60 : 5,193.90 = 2,080.20 : x
  2. Step 2: Convert to fraction form
    3,462.60/5,193.90 = 2,080.20/x
  3. Step 3: Cross multiply
    3,462.60x = 5,193.90 × 2,080.20
  4. Step 4: Simplify right side
    3,462.60x = 10,804,350.78
  5. Step 5: Solve for x
    x = 10,804,350.78/3,462.60
  6. Step 6: Final answer
    x = 3,120.30

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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.