Home / 2,353.44-3,247.60-1,291

Finding the Fourth Proportional to 2,353.44, 3,247.60 and 1,291

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Solution

The fourth proportional to 2,353.44, 3,247.60 and 1,291 is: 1,781.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,353.44 : 3,247.60 = 1,291 : x
  2. Step 2: Convert to fraction form
    2,353.44/3,247.60 = 1,291/x
  3. Step 3: Cross multiply
    2,353.44x = 3,247.60 × 1,291
  4. Step 4: Simplify right side
    2,353.44x = 4,192,651.60
  5. Step 5: Solve for x
    x = 4,192,651.60/2,353.44
  6. Step 6: Final answer
    x = 1,781.50

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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.