Home / 3,040.62-4,197.20-2,101.29

Finding the Fourth Proportional to 3,040.62, 4,197.20 and 2,101.29

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Solution

The fourth proportional to 3,040.62, 4,197.20 and 2,101.29 is: 2,900.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.62 : 4,197.20 = 2,101.29 : x
  2. Step 2: Convert to fraction form
    3,040.62/4,197.20 = 2,101.29/x
  3. Step 3: Cross multiply
    3,040.62x = 4,197.20 × 2,101.29
  4. Step 4: Simplify right side
    3,040.62x = 8,819,523.88
  5. Step 5: Solve for x
    x = 8,819,523.88/3,040.62
  6. Step 6: Final answer
    x = 2,900.57

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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.