Home / 3,200.47-4,418.39-2,211.07

Finding the Fourth Proportional to 3,200.47, 4,418.39 and 2,211.07

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Solution

The fourth proportional to 3,200.47, 4,418.39 and 2,211.07 is: 3,052.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.47 : 4,418.39 = 2,211.07 : x
  2. Step 2: Convert to fraction form
    3,200.47/4,418.39 = 2,211.07/x
  3. Step 3: Cross multiply
    3,200.47x = 4,418.39 × 2,211.07
  4. Step 4: Simplify right side
    3,200.47x = 9,769,358.52
  5. Step 5: Solve for x
    x = 9,769,358.52/3,200.47
  6. Step 6: Final answer
    x = 3,052.48

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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.