Home / 2,789.62-3,847.44-2,475.10

Finding the Fourth Proportional to 2,789.62, 3,847.44 and 2,475.10

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Solution

The fourth proportional to 2,789.62, 3,847.44 and 2,475.10 is: 3,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.62 : 3,847.44 = 2,475.10 : x
  2. Step 2: Convert to fraction form
    2,789.62/3,847.44 = 2,475.10/x
  3. Step 3: Cross multiply
    2,789.62x = 3,847.44 × 2,475.10
  4. Step 4: Simplify right side
    2,789.62x = 9,522,798.74
  5. Step 5: Solve for x
    x = 9,522,798.74/2,789.62
  6. Step 6: Final answer
    x = 3,413.65

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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.