Home / 3,927.05-5,890.43-1,329.99

Finding the Fourth Proportional to 3,927.05, 5,890.43 and 1,329.99

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Solution

The fourth proportional to 3,927.05, 5,890.43 and 1,329.99 is: 1,994.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.05 : 5,890.43 = 1,329.99 : x
  2. Step 2: Convert to fraction form
    3,927.05/5,890.43 = 1,329.99/x
  3. Step 3: Cross multiply
    3,927.05x = 5,890.43 × 1,329.99
  4. Step 4: Simplify right side
    3,927.05x = 7,834,206.35
  5. Step 5: Solve for x
    x = 7,834,206.35/3,927.05
  6. Step 6: Final answer
    x = 1,994.93

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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.