Home / 4,085.92-5,638.39-2,317.85

Finding the Fourth Proportional to 4,085.92, 5,638.39 and 2,317.85

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Solution

The fourth proportional to 4,085.92, 5,638.39 and 2,317.85 is: 3,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.92 : 5,638.39 = 2,317.85 : x
  2. Step 2: Convert to fraction form
    4,085.92/5,638.39 = 2,317.85/x
  3. Step 3: Cross multiply
    4,085.92x = 5,638.39 × 2,317.85
  4. Step 4: Simplify right side
    4,085.92x = 13,068,974.17
  5. Step 5: Solve for x
    x = 13,068,974.17/4,085.92
  6. Step 6: Final answer
    x = 3,198.54

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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.