Home / 2,908.87-4,015.78-2,335.47

Finding the Fourth Proportional to 2,908.87, 4,015.78 and 2,335.47

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Solution

The fourth proportional to 2,908.87, 4,015.78 and 2,335.47 is: 3,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.87 : 4,015.78 = 2,335.47 : x
  2. Step 2: Convert to fraction form
    2,908.87/4,015.78 = 2,335.47/x
  3. Step 3: Cross multiply
    2,908.87x = 4,015.78 × 2,335.47
  4. Step 4: Simplify right side
    2,908.87x = 9,378,733.72
  5. Step 5: Solve for x
    x = 9,378,733.72/2,908.87
  6. Step 6: Final answer
    x = 3,224.18

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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.