Home / 3,797.35-5,240.33-2,118.76

Finding the Fourth Proportional to 3,797.35, 5,240.33 and 2,118.76

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Solution

The fourth proportional to 3,797.35, 5,240.33 and 2,118.76 is: 2,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.35 : 5,240.33 = 2,118.76 : x
  2. Step 2: Convert to fraction form
    3,797.35/5,240.33 = 2,118.76/x
  3. Step 3: Cross multiply
    3,797.35x = 5,240.33 × 2,118.76
  4. Step 4: Simplify right side
    3,797.35x = 11,102,996.29
  5. Step 5: Solve for x
    x = 11,102,996.29/3,797.35
  6. Step 6: Final answer
    x = 2,923.88

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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.