Home / 3,419.18-4,718.20-2,002.69

Finding the Fourth Proportional to 3,419.18, 4,718.20 and 2,002.69

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Solution

The fourth proportional to 3,419.18, 4,718.20 and 2,002.69 is: 2,763.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.18 : 4,718.20 = 2,002.69 : x
  2. Step 2: Convert to fraction form
    3,419.18/4,718.20 = 2,002.69/x
  3. Step 3: Cross multiply
    3,419.18x = 4,718.20 × 2,002.69
  4. Step 4: Simplify right side
    3,419.18x = 9,449,091.96
  5. Step 5: Solve for x
    x = 9,449,091.96/3,419.18
  6. Step 6: Final answer
    x = 2,763.55

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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.