Home / 3,884.20-5,822.78-1,574.12

Finding the Fourth Proportional to 3,884.20, 5,822.78 and 1,574.12

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Solution

The fourth proportional to 3,884.20, 5,822.78 and 1,574.12 is: 2,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.20 : 5,822.78 = 1,574.12 : x
  2. Step 2: Convert to fraction form
    3,884.20/5,822.78 = 1,574.12/x
  3. Step 3: Cross multiply
    3,884.20x = 5,822.78 × 1,574.12
  4. Step 4: Simplify right side
    3,884.20x = 9,165,754.45
  5. Step 5: Solve for x
    x = 9,165,754.45/3,884.20
  6. Step 6: Final answer
    x = 2,359.75

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