Home / 3,943.35-5,879.79-3,801.06

Finding the Fourth Proportional to 3,943.35, 5,879.79 and 3,801.06

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Solution

The fourth proportional to 3,943.35, 5,879.79 and 3,801.06 is: 5,667.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,943.35 : 5,879.79 = 3,801.06 : x
  2. Step 2: Convert to fraction form
    3,943.35/5,879.79 = 3,801.06/x
  3. Step 3: Cross multiply
    3,943.35x = 5,879.79 × 3,801.06
  4. Step 4: Simplify right side
    3,943.35x = 22,349,434.58
  5. Step 5: Solve for x
    x = 22,349,434.58/3,943.35
  6. Step 6: Final answer
    x = 5,667.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.