Home / 3,926.18-5,889.36-1,152.56

Finding the Fourth Proportional to 3,926.18, 5,889.36 and 1,152.56

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Solution

The fourth proportional to 3,926.18, 5,889.36 and 1,152.56 is: 1,728.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.18 : 5,889.36 = 1,152.56 : x
  2. Step 2: Convert to fraction form
    3,926.18/5,889.36 = 1,152.56/x
  3. Step 3: Cross multiply
    3,926.18x = 5,889.36 × 1,152.56
  4. Step 4: Simplify right side
    3,926.18x = 6,787,811.31
  5. Step 5: Solve for x
    x = 6,787,811.31/3,926.18
  6. Step 6: Final answer
    x = 1,728.86

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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.