Home / 3,933.74-5,426.52-3,188.54

Finding the Fourth Proportional to 3,933.74, 5,426.52 and 3,188.54

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Solution

The fourth proportional to 3,933.74, 5,426.52 and 3,188.54 is: 4,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.74 : 5,426.52 = 3,188.54 : x
  2. Step 2: Convert to fraction form
    3,933.74/5,426.52 = 3,188.54/x
  3. Step 3: Cross multiply
    3,933.74x = 5,426.52 × 3,188.54
  4. Step 4: Simplify right side
    3,933.74x = 17,302,676.08
  5. Step 5: Solve for x
    x = 17,302,676.08/3,933.74
  6. Step 6: Final answer
    x = 4,398.53

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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.