Home / 2,184.68-3,277.66-1,260.90

Finding the Fourth Proportional to 2,184.68, 3,277.66 and 1,260.90

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Solution

The fourth proportional to 2,184.68, 3,277.66 and 1,260.90 is: 1,891.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.68 : 3,277.66 = 1,260.90 : x
  2. Step 2: Convert to fraction form
    2,184.68/3,277.66 = 1,260.90/x
  3. Step 3: Cross multiply
    2,184.68x = 3,277.66 × 1,260.90
  4. Step 4: Simplify right side
    2,184.68x = 4,132,801.49
  5. Step 5: Solve for x
    x = 4,132,801.49/2,184.68
  6. Step 6: Final answer
    x = 1,891.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.