Home / 3,200.97-4,419.08-2,211.57

Finding the Fourth Proportional to 3,200.97, 4,419.08 and 2,211.57

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Solution

The fourth proportional to 3,200.97, 4,419.08 and 2,211.57 is: 3,053.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.97 : 4,419.08 = 2,211.57 : x
  2. Step 2: Convert to fraction form
    3,200.97/4,419.08 = 2,211.57/x
  3. Step 3: Cross multiply
    3,200.97x = 4,419.08 × 2,211.57
  4. Step 4: Simplify right side
    3,200.97x = 9,773,104.76
  5. Step 5: Solve for x
    x = 9,773,104.76/3,200.97
  6. Step 6: Final answer
    x = 3,053.17

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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.