Home / 3,822.66-5,724.27-1,869.75

Finding the Fourth Proportional to 3,822.66, 5,724.27 and 1,869.75

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Solution

The fourth proportional to 3,822.66, 5,724.27 and 1,869.75 is: 2,799.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.66 : 5,724.27 = 1,869.75 : x
  2. Step 2: Convert to fraction form
    3,822.66/5,724.27 = 1,869.75/x
  3. Step 3: Cross multiply
    3,822.66x = 5,724.27 × 1,869.75
  4. Step 4: Simplify right side
    3,822.66x = 10,702,953.83
  5. Step 5: Solve for x
    x = 10,702,953.83/3,822.66
  6. Step 6: Final answer
    x = 2,799.87

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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.