Home / 3,933.56-5,901.96-2,898.78

Finding the Fourth Proportional to 3,933.56, 5,901.96 and 2,898.78

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Solution

The fourth proportional to 3,933.56, 5,901.96 and 2,898.78 is: 4,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.56 : 5,901.96 = 2,898.78 : x
  2. Step 2: Convert to fraction form
    3,933.56/5,901.96 = 2,898.78/x
  3. Step 3: Cross multiply
    3,933.56x = 5,901.96 × 2,898.78
  4. Step 4: Simplify right side
    3,933.56x = 17,108,469.11
  5. Step 5: Solve for x
    x = 17,108,469.11/3,933.56
  6. Step 6: Final answer
    x = 4,349.37

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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.