Home / 3,398.12-4,685.02-2,200.98

Finding the Fourth Proportional to 3,398.12, 4,685.02 and 2,200.98

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Solution

The fourth proportional to 3,398.12, 4,685.02 and 2,200.98 is: 3,034.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.12 : 4,685.02 = 2,200.98 : x
  2. Step 2: Convert to fraction form
    3,398.12/4,685.02 = 2,200.98/x
  3. Step 3: Cross multiply
    3,398.12x = 4,685.02 × 2,200.98
  4. Step 4: Simplify right side
    3,398.12x = 10,311,635.32
  5. Step 5: Solve for x
    x = 10,311,635.32/3,398.12
  6. Step 6: Final answer
    x = 3,034.51

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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.