Home / 3,097.52-4,268.66-2,211.78

Finding the Fourth Proportional to 3,097.52, 4,268.66 and 2,211.78

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Solution

The fourth proportional to 3,097.52, 4,268.66 and 2,211.78 is: 3,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.52 : 4,268.66 = 2,211.78 : x
  2. Step 2: Convert to fraction form
    3,097.52/4,268.66 = 2,211.78/x
  3. Step 3: Cross multiply
    3,097.52x = 4,268.66 × 2,211.78
  4. Step 4: Simplify right side
    3,097.52x = 9,441,325.76
  5. Step 5: Solve for x
    x = 9,441,325.76/3,097.52
  6. Step 6: Final answer
    x = 3,048.03

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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.