Home / 3,778.74-5,214.66-2,286.36

Finding the Fourth Proportional to 3,778.74, 5,214.66 and 2,286.36

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Solution

The fourth proportional to 3,778.74, 5,214.66 and 2,286.36 is: 3,155.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.74 : 5,214.66 = 2,286.36 : x
  2. Step 2: Convert to fraction form
    3,778.74/5,214.66 = 2,286.36/x
  3. Step 3: Cross multiply
    3,778.74x = 5,214.66 × 2,286.36
  4. Step 4: Simplify right side
    3,778.74x = 11,922,590.04
  5. Step 5: Solve for x
    x = 11,922,590.04/3,778.74
  6. Step 6: Final answer
    x = 3,155.18

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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.