Home / 3,820.71-5,722.59-2,936.70

Finding the Fourth Proportional to 3,820.71, 5,722.59 and 2,936.70

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Solution

The fourth proportional to 3,820.71, 5,722.59 and 2,936.70 is: 4,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,820.71 : 5,722.59 = 2,936.70 : x
  2. Step 2: Convert to fraction form
    3,820.71/5,722.59 = 2,936.70/x
  3. Step 3: Cross multiply
    3,820.71x = 5,722.59 × 2,936.70
  4. Step 4: Simplify right side
    3,820.71x = 16,805,534.98
  5. Step 5: Solve for x
    x = 16,805,534.98/3,820.71
  6. Step 6: Final answer
    x = 4,398.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.