Home / 2,838.43-3,913.14-2,776.33

Finding the Fourth Proportional to 2,838.43, 3,913.14 and 2,776.33

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Solution

The fourth proportional to 2,838.43, 3,913.14 and 2,776.33 is: 3,827.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838.43 : 3,913.14 = 2,776.33 : x
  2. Step 2: Convert to fraction form
    2,838.43/3,913.14 = 2,776.33/x
  3. Step 3: Cross multiply
    2,838.43x = 3,913.14 × 2,776.33
  4. Step 4: Simplify right side
    2,838.43x = 10,864,167.98
  5. Step 5: Solve for x
    x = 10,864,167.98/2,838.43
  6. Step 6: Final answer
    x = 3,827.53

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1.5x scale

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.