Home / 1,687.19-2,527.95-1,197.82

Finding the Fourth Proportional to 1,687.19, 2,527.95 and 1,197.82

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Solution

The fourth proportional to 1,687.19, 2,527.95 and 1,197.82 is: 1,794.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.19 : 2,527.95 = 1,197.82 : x
  2. Step 2: Convert to fraction form
    1,687.19/2,527.95 = 1,197.82/x
  3. Step 3: Cross multiply
    1,687.19x = 2,527.95 × 1,197.82
  4. Step 4: Simplify right side
    1,687.19x = 3,028,016.43
  5. Step 5: Solve for x
    x = 3,028,016.43/1,687.19
  6. Step 6: Final answer
    x = 1,794.71

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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.