Home / 3,238.09-4,858.76-1,291.66

Finding the Fourth Proportional to 3,238.09, 4,858.76 and 1,291.66

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Solution

The fourth proportional to 3,238.09, 4,858.76 and 1,291.66 is: 1,938.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,238.09 : 4,858.76 = 1,291.66 : x
  2. Step 2: Convert to fraction form
    3,238.09/4,858.76 = 1,291.66/x
  3. Step 3: Cross multiply
    3,238.09x = 4,858.76 × 1,291.66
  4. Step 4: Simplify right side
    3,238.09x = 6,275,859.48
  5. Step 5: Solve for x
    x = 6,275,859.48/3,238.09
  6. Step 6: Final answer
    x = 1,938.14

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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.