Home / 3,927.17-5,891.36-1,329.50

Finding the Fourth Proportional to 3,927.17, 5,891.36 and 1,329.50

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Solution

The fourth proportional to 3,927.17, 5,891.36 and 1,329.50 is: 1,994.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.17 : 5,891.36 = 1,329.50 : x
  2. Step 2: Convert to fraction form
    3,927.17/5,891.36 = 1,329.50/x
  3. Step 3: Cross multiply
    3,927.17x = 5,891.36 × 1,329.50
  4. Step 4: Simplify right side
    3,927.17x = 7,832,563.12
  5. Step 5: Solve for x
    x = 7,832,563.12/3,927.17
  6. Step 6: Final answer
    x = 1,994.45

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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.