Home / 3,822.66-5,723.28-3,115.62

Finding the Fourth Proportional to 3,822.66, 5,723.28 and 3,115.62

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Solution

The fourth proportional to 3,822.66, 5,723.28 and 3,115.62 is: 4,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,822.66 : 5,723.28 = 3,115.62 : x
  2. Step 2: Convert to fraction form
    3,822.66/5,723.28 = 3,115.62/x
  3. Step 3: Cross multiply
    3,822.66x = 5,723.28 × 3,115.62
  4. Step 4: Simplify right side
    3,822.66x = 17,831,565.63
  5. Step 5: Solve for x
    x = 17,831,565.63/3,822.66
  6. Step 6: Final answer
    x = 4,664.70

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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.