Home / 2,565.44-3,846-1,265.12

Finding the Fourth Proportional to 2,565.44, 3,846 and 1,265.12

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Solution

The fourth proportional to 2,565.44, 3,846 and 1,265.12 is: 1,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.44 : 3,846 = 1,265.12 : x
  2. Step 2: Convert to fraction form
    2,565.44/3,846 = 1,265.12/x
  3. Step 3: Cross multiply
    2,565.44x = 3,846 × 1,265.12
  4. Step 4: Simplify right side
    2,565.44x = 4,865,651.52
  5. Step 5: Solve for x
    x = 4,865,651.52/2,565.44
  6. Step 6: Final answer
    x = 1,896.61

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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.