Home / 3,357.78-4,635.03-2,238.31

Finding the Fourth Proportional to 3,357.78, 4,635.03 and 2,238.31

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Solution

The fourth proportional to 3,357.78, 4,635.03 and 2,238.31 is: 3,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.78 : 4,635.03 = 2,238.31 : x
  2. Step 2: Convert to fraction form
    3,357.78/4,635.03 = 2,238.31/x
  3. Step 3: Cross multiply
    3,357.78x = 4,635.03 × 2,238.31
  4. Step 4: Simplify right side
    3,357.78x = 10,374,634.00
  5. Step 5: Solve for x
    x = 10,374,634.00/3,357.78
  6. Step 6: Final answer
    x = 3,089.73

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1.5x scale

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.