Home / 3,926.68-5,890.83-1,329.28

Finding the Fourth Proportional to 3,926.68, 5,890.83 and 1,329.28

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Solution

The fourth proportional to 3,926.68, 5,890.83 and 1,329.28 is: 1,994.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926.68 : 5,890.83 = 1,329.28 : x
  2. Step 2: Convert to fraction form
    3,926.68/5,890.83 = 1,329.28/x
  3. Step 3: Cross multiply
    3,926.68x = 5,890.83 × 1,329.28
  4. Step 4: Simplify right side
    3,926.68x = 7,830,562.50
  5. Step 5: Solve for x
    x = 7,830,562.50/3,926.68
  6. Step 6: Final answer
    x = 1,994.19

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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.