Home / 3,945.22-5,917.42-1,133.95

Finding the Fourth Proportional to 3,945.22, 5,917.42 and 1,133.95

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Solution

The fourth proportional to 3,945.22, 5,917.42 and 1,133.95 is: 1,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,945.22 : 5,917.42 = 1,133.95 : x
  2. Step 2: Convert to fraction form
    3,945.22/5,917.42 = 1,133.95/x
  3. Step 3: Cross multiply
    3,945.22x = 5,917.42 × 1,133.95
  4. Step 4: Simplify right side
    3,945.22x = 6,710,058.41
  5. Step 5: Solve for x
    x = 6,710,058.41/3,945.22
  6. Step 6: Final answer
    x = 1,700.81

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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.