Home / 3,882.66-5,822.58-1,285.02

Finding the Fourth Proportional to 3,882.66, 5,822.58 and 1,285.02

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Solution

The fourth proportional to 3,882.66, 5,822.58 and 1,285.02 is: 1,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.66 : 5,822.58 = 1,285.02 : x
  2. Step 2: Convert to fraction form
    3,882.66/5,822.58 = 1,285.02/x
  3. Step 3: Cross multiply
    3,882.66x = 5,822.58 × 1,285.02
  4. Step 4: Simplify right side
    3,882.66x = 7,482,131.75
  5. Step 5: Solve for x
    x = 7,482,131.75/3,882.66
  6. Step 6: Final answer
    x = 1,927.06

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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.