Home / 2,248.41-3,102.84-1,291.48

Finding the Fourth Proportional to 2,248.41, 3,102.84 and 1,291.48

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Solution

The fourth proportional to 2,248.41, 3,102.84 and 1,291.48 is: 1,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.41 : 3,102.84 = 1,291.48 : x
  2. Step 2: Convert to fraction form
    2,248.41/3,102.84 = 1,291.48/x
  3. Step 3: Cross multiply
    2,248.41x = 3,102.84 × 1,291.48
  4. Step 4: Simplify right side
    2,248.41x = 4,007,255.80
  5. Step 5: Solve for x
    x = 4,007,255.80/2,248.41
  6. Step 6: Final answer
    x = 1,782.26

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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.