Home / 2,553.32-3,827.28-1,578.32

Finding the Fourth Proportional to 2,553.32, 3,827.28 and 1,578.32

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Solution

The fourth proportional to 2,553.32, 3,827.28 and 1,578.32 is: 2,365.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.32 : 3,827.28 = 1,578.32 : x
  2. Step 2: Convert to fraction form
    2,553.32/3,827.28 = 1,578.32/x
  3. Step 3: Cross multiply
    2,553.32x = 3,827.28 × 1,578.32
  4. Step 4: Simplify right side
    2,553.32x = 6,040,672.57
  5. Step 5: Solve for x
    x = 6,040,672.57/2,553.32
  6. Step 6: Final answer
    x = 2,365.81

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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.