Home / 2,396.64-3,591.72-1,243.20

Finding the Fourth Proportional to 2,396.64, 3,591.72 and 1,243.20

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Solution

The fourth proportional to 2,396.64, 3,591.72 and 1,243.20 is: 1,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,396.64 : 3,591.72 = 1,243.20 : x
  2. Step 2: Convert to fraction form
    2,396.64/3,591.72 = 1,243.20/x
  3. Step 3: Cross multiply
    2,396.64x = 3,591.72 × 1,243.20
  4. Step 4: Simplify right side
    2,396.64x = 4,465,226.30
  5. Step 5: Solve for x
    x = 4,465,226.30/2,396.64
  6. Step 6: Final answer
    x = 1,863.12

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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.