Home / 3,926.25-5,889.51-1,329.39

Finding the Fourth Proportional to 3,926.25, 5,889.51 and 1,329.39

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Solution

The fourth proportional to 3,926.25, 5,889.51 and 1,329.39 is: 1,994.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.25 : 5,889.51 = 1,329.39 : x
  2. Step 2: Convert to fraction form
    3,926.25/5,889.51 = 1,329.39/x
  3. Step 3: Cross multiply
    3,926.25x = 5,889.51 × 1,329.39
  4. Step 4: Simplify right side
    3,926.25x = 7,829,455.70
  5. Step 5: Solve for x
    x = 7,829,455.70/3,926.25
  6. Step 6: Final answer
    x = 1,994.13

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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.