Home / 3,789.39-5,230.53-2,217.99

Finding the Fourth Proportional to 3,789.39, 5,230.53 and 2,217.99

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Solution

The fourth proportional to 3,789.39, 5,230.53 and 2,217.99 is: 3,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.39 : 5,230.53 = 2,217.99 : x
  2. Step 2: Convert to fraction form
    3,789.39/5,230.53 = 2,217.99/x
  3. Step 3: Cross multiply
    3,789.39x = 5,230.53 × 2,217.99
  4. Step 4: Simplify right side
    3,789.39x = 11,601,263.23
  5. Step 5: Solve for x
    x = 11,601,263.23/3,789.39
  6. Step 6: Final answer
    x = 3,061.51

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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.