Home / 2,252.91-3,108.71-1,295.80

Finding the Fourth Proportional to 2,252.91, 3,108.71 and 1,295.80

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Solution

The fourth proportional to 2,252.91, 3,108.71 and 1,295.80 is: 1,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.91 : 3,108.71 = 1,295.80 : x
  2. Step 2: Convert to fraction form
    2,252.91/3,108.71 = 1,295.80/x
  3. Step 3: Cross multiply
    2,252.91x = 3,108.71 × 1,295.80
  4. Step 4: Simplify right side
    2,252.91x = 4,028,261.89
  5. Step 5: Solve for x
    x = 4,028,261.89/2,252.91
  6. Step 6: Final answer
    x = 1,788.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.