Home / 1,933.88-2,669.11-1,147.91

Finding the Fourth Proportional to 1,933.88, 2,669.11 and 1,147.91

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Solution

The fourth proportional to 1,933.88, 2,669.11 and 1,147.91 is: 1,584.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933.88 : 2,669.11 = 1,147.91 : x
  2. Step 2: Convert to fraction form
    1,933.88/2,669.11 = 1,147.91/x
  3. Step 3: Cross multiply
    1,933.88x = 2,669.11 × 1,147.91
  4. Step 4: Simplify right side
    1,933.88x = 3,063,881.84
  5. Step 5: Solve for x
    x = 3,063,881.84/1,933.88
  6. Step 6: Final answer
    x = 1,584.32

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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.