Home / 3,993.30-5,510.43-2,500.20

Finding the Fourth Proportional to 3,993.30, 5,510.43 and 2,500.20

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Solution

The fourth proportional to 3,993.30, 5,510.43 and 2,500.20 is: 3,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.30 : 5,510.43 = 2,500.20 : x
  2. Step 2: Convert to fraction form
    3,993.30/5,510.43 = 2,500.20/x
  3. Step 3: Cross multiply
    3,993.30x = 5,510.43 × 2,500.20
  4. Step 4: Simplify right side
    3,993.30x = 13,777,177.09
  5. Step 5: Solve for x
    x = 13,777,177.09/3,993.30
  6. Step 6: Final answer
    x = 3,450.07

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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.