Home / 3,494.83-4,821.24-2,168.05

Finding the Fourth Proportional to 3,494.83, 4,821.24 and 2,168.05

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Solution

The fourth proportional to 3,494.83, 4,821.24 and 2,168.05 is: 2,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.83 : 4,821.24 = 2,168.05 : x
  2. Step 2: Convert to fraction form
    3,494.83/4,821.24 = 2,168.05/x
  3. Step 3: Cross multiply
    3,494.83x = 4,821.24 × 2,168.05
  4. Step 4: Simplify right side
    3,494.83x = 10,452,689.38
  5. Step 5: Solve for x
    x = 10,452,689.38/3,494.83
  6. Step 6: Final answer
    x = 2,990.90

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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.