Home / 2,565.22-3,843.20-1,179.72

Finding the Fourth Proportional to 2,565.22, 3,843.20 and 1,179.72

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Solution

The fourth proportional to 2,565.22, 3,843.20 and 1,179.72 is: 1,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,565.22 : 3,843.20 = 1,179.72 : x
  2. Step 2: Convert to fraction form
    2,565.22/3,843.20 = 1,179.72/x
  3. Step 3: Cross multiply
    2,565.22x = 3,843.20 × 1,179.72
  4. Step 4: Simplify right side
    2,565.22x = 4,533,899.90
  5. Step 5: Solve for x
    x = 4,533,899.90/2,565.22
  6. Step 6: Final answer
    x = 1,767.45

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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.