Home / 2,825.86-4,238.79-1,365.16

Finding the Fourth Proportional to 2,825.86, 4,238.79 and 1,365.16

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Solution

The fourth proportional to 2,825.86, 4,238.79 and 1,365.16 is: 2,047.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.86 : 4,238.79 = 1,365.16 : x
  2. Step 2: Convert to fraction form
    2,825.86/4,238.79 = 1,365.16/x
  3. Step 3: Cross multiply
    2,825.86x = 4,238.79 × 1,365.16
  4. Step 4: Simplify right side
    2,825.86x = 5,786,626.56
  5. Step 5: Solve for x
    x = 5,786,626.56/2,825.86
  6. Step 6: Final answer
    x = 2,047.74

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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.