Home / 2,834.16-3,909.78-2,203.58

Finding the Fourth Proportional to 2,834.16, 3,909.78 and 2,203.58

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Solution

The fourth proportional to 2,834.16, 3,909.78 and 2,203.58 is: 3,039.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,834.16 : 3,909.78 = 2,203.58 : x
  2. Step 2: Convert to fraction form
    2,834.16/3,909.78 = 2,203.58/x
  3. Step 3: Cross multiply
    2,834.16x = 3,909.78 × 2,203.58
  4. Step 4: Simplify right side
    2,834.16x = 8,615,493.46
  5. Step 5: Solve for x
    x = 8,615,493.46/2,834.16
  6. Step 6: Final answer
    x = 3,039.88

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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.