Home / 2,366.25-3,550.32-905.55

Finding the Fourth Proportional to 2,366.25, 3,550.32 and 905.55

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Solution

The fourth proportional to 2,366.25, 3,550.32 and 905.55 is: 1,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,366.25 : 3,550.32 = 905.55 : x
  2. Step 2: Convert to fraction form
    2,366.25/3,550.32 = 905.55/x
  3. Step 3: Cross multiply
    2,366.25x = 3,550.32 × 905.55
  4. Step 4: Simplify right side
    2,366.25x = 3,214,992.28
  5. Step 5: Solve for x
    x = 3,214,992.28/2,366.25
  6. Step 6: Final answer
    x = 1,358.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.