Home / 3,419.20-4,720.06-2,002.69

Finding the Fourth Proportional to 3,419.20, 4,720.06 and 2,002.69

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Solution

The fourth proportional to 3,419.20, 4,720.06 and 2,002.69 is: 2,764.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.20 : 4,720.06 = 2,002.69 : x
  2. Step 2: Convert to fraction form
    3,419.20/4,720.06 = 2,002.69/x
  3. Step 3: Cross multiply
    3,419.20x = 4,720.06 × 2,002.69
  4. Step 4: Simplify right side
    3,419.20x = 9,452,793.36
  5. Step 5: Solve for x
    x = 9,452,793.36/3,419.20
  6. Step 6: Final answer
    x = 2,764.63

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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.