Home / 2,334.93-3,221.91-1,287.06

Finding the Fourth Proportional to 2,334.93, 3,221.91 and 1,287.06

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Solution

The fourth proportional to 2,334.93, 3,221.91 and 1,287.06 is: 1,775.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.93 : 3,221.91 = 1,287.06 : x
  2. Step 2: Convert to fraction form
    2,334.93/3,221.91 = 1,287.06/x
  3. Step 3: Cross multiply
    2,334.93x = 3,221.91 × 1,287.06
  4. Step 4: Simplify right side
    2,334.93x = 4,146,791.48
  5. Step 5: Solve for x
    x = 4,146,791.48/2,334.93
  6. Step 6: Final answer
    x = 1,775.98

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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.