Home / 3,271.85-4,907.75-1,324.02

Finding the Fourth Proportional to 3,271.85, 4,907.75 and 1,324.02

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Solution

The fourth proportional to 3,271.85, 4,907.75 and 1,324.02 is: 1,986.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.85 : 4,907.75 = 1,324.02 : x
  2. Step 2: Convert to fraction form
    3,271.85/4,907.75 = 1,324.02/x
  3. Step 3: Cross multiply
    3,271.85x = 4,907.75 × 1,324.02
  4. Step 4: Simplify right side
    3,271.85x = 6,497,952.53
  5. Step 5: Solve for x
    x = 6,497,952.53/3,271.85
  6. Step 6: Final answer
    x = 1,986.02

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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.