Home / 3,086.06-4,257.71-1,758.81

Finding the Fourth Proportional to 3,086.06, 4,257.71 and 1,758.81

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Solution

The fourth proportional to 3,086.06, 4,257.71 and 1,758.81 is: 2,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.06 : 4,257.71 = 1,758.81 : x
  2. Step 2: Convert to fraction form
    3,086.06/4,257.71 = 1,758.81/x
  3. Step 3: Cross multiply
    3,086.06x = 4,257.71 × 1,758.81
  4. Step 4: Simplify right side
    3,086.06x = 7,488,472.84
  5. Step 5: Solve for x
    x = 7,488,472.84/3,086.06
  6. Step 6: Final answer
    x = 2,426.55

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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.