Home / 2,277.06-3,397.72-2,137.74

Finding the Fourth Proportional to 2,277.06, 3,397.72 and 2,137.74

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Solution

The fourth proportional to 2,277.06, 3,397.72 and 2,137.74 is: 3,189.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.06 : 3,397.72 = 2,137.74 : x
  2. Step 2: Convert to fraction form
    2,277.06/3,397.72 = 2,137.74/x
  3. Step 3: Cross multiply
    2,277.06x = 3,397.72 × 2,137.74
  4. Step 4: Simplify right side
    2,277.06x = 7,263,441.95
  5. Step 5: Solve for x
    x = 7,263,441.95/2,277.06
  6. Step 6: Final answer
    x = 3,189.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.