Home / 3,353.73-5,029.84-1,378.86

Finding the Fourth Proportional to 3,353.73, 5,029.84 and 1,378.86

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Solution

The fourth proportional to 3,353.73, 5,029.84 and 1,378.86 is: 2,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.73 : 5,029.84 = 1,378.86 : x
  2. Step 2: Convert to fraction form
    3,353.73/5,029.84 = 1,378.86/x
  3. Step 3: Cross multiply
    3,353.73x = 5,029.84 × 1,378.86
  4. Step 4: Simplify right side
    3,353.73x = 6,935,445.18
  5. Step 5: Solve for x
    x = 6,935,445.18/3,353.73
  6. Step 6: Final answer
    x = 2,067.98

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1.5x scale

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.