Home / 3,028.35-4,167.32-2,679.87

Finding the Fourth Proportional to 3,028.35, 4,167.32 and 2,679.87

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Solution

The fourth proportional to 3,028.35, 4,167.32 and 2,679.87 is: 3,687.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,028.35 : 4,167.32 = 2,679.87 : x
  2. Step 2: Convert to fraction form
    3,028.35/4,167.32 = 2,679.87/x
  3. Step 3: Cross multiply
    3,028.35x = 4,167.32 × 2,679.87
  4. Step 4: Simplify right side
    3,028.35x = 11,167,862.45
  5. Step 5: Solve for x
    x = 11,167,862.45/3,028.35
  6. Step 6: Final answer
    x = 3,687.77

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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.