Home / 3,782.38-5,218.92-2,210.17

Finding the Fourth Proportional to 3,782.38, 5,218.92 and 2,210.17

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Solution

The fourth proportional to 3,782.38, 5,218.92 and 2,210.17 is: 3,049.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.38 : 5,218.92 = 2,210.17 : x
  2. Step 2: Convert to fraction form
    3,782.38/5,218.92 = 2,210.17/x
  3. Step 3: Cross multiply
    3,782.38x = 5,218.92 × 2,210.17
  4. Step 4: Simplify right side
    3,782.38x = 11,534,689.37
  5. Step 5: Solve for x
    x = 11,534,689.37/3,782.38
  6. Step 6: Final answer
    x = 3,049.59

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Half scale
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Double scale
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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.