Home / 2,838.68-3,913.32-2,208.09

Finding the Fourth Proportional to 2,838.68, 3,913.32 and 2,208.09

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Solution

The fourth proportional to 2,838.68, 3,913.32 and 2,208.09 is: 3,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.68 : 3,913.32 = 2,208.09 : x
  2. Step 2: Convert to fraction form
    2,838.68/3,913.32 = 2,208.09/x
  3. Step 3: Cross multiply
    2,838.68x = 3,913.32 × 2,208.09
  4. Step 4: Simplify right side
    2,838.68x = 8,640,962.76
  5. Step 5: Solve for x
    x = 8,640,962.76/2,838.68
  6. Step 6: Final answer
    x = 3,044.01

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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.