Home / 3,838.29-5,757.40-1,241.22

Finding the Fourth Proportional to 3,838.29, 5,757.40 and 1,241.22

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Solution

The fourth proportional to 3,838.29, 5,757.40 and 1,241.22 is: 1,861.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.29 : 5,757.40 = 1,241.22 : x
  2. Step 2: Convert to fraction form
    3,838.29/5,757.40 = 1,241.22/x
  3. Step 3: Cross multiply
    3,838.29x = 5,757.40 × 1,241.22
  4. Step 4: Simplify right side
    3,838.29x = 7,146,216.19
  5. Step 5: Solve for x
    x = 7,146,216.19/3,838.29
  6. Step 6: Final answer
    x = 1,861.82

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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.