Home / 3,788.16-5,228.06-2,217.57

Finding the Fourth Proportional to 3,788.16, 5,228.06 and 2,217.57

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Solution

The fourth proportional to 3,788.16, 5,228.06 and 2,217.57 is: 3,060.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.16 : 5,228.06 = 2,217.57 : x
  2. Step 2: Convert to fraction form
    3,788.16/5,228.06 = 2,217.57/x
  3. Step 3: Cross multiply
    3,788.16x = 5,228.06 × 2,217.57
  4. Step 4: Simplify right side
    3,788.16x = 11,593,562.87
  5. Step 5: Solve for x
    x = 11,593,562.87/3,788.16
  6. Step 6: Final answer
    x = 3,060.48

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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.