Home / 3,964.08-5,472.99-2,472.60

Finding the Fourth Proportional to 3,964.08, 5,472.99 and 2,472.60

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Solution

The fourth proportional to 3,964.08, 5,472.99 and 2,472.60 is: 3,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.08 : 5,472.99 = 2,472.60 : x
  2. Step 2: Convert to fraction form
    3,964.08/5,472.99 = 2,472.60/x
  3. Step 3: Cross multiply
    3,964.08x = 5,472.99 × 2,472.60
  4. Step 4: Simplify right side
    3,964.08x = 13,532,515.07
  5. Step 5: Solve for x
    x = 13,532,515.07/3,964.08
  6. Step 6: Final answer
    x = 3,413.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.