Home / 3,550.75-5,326.13-1,085.56

Finding the Fourth Proportional to 3,550.75, 5,326.13 and 1,085.56

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Solution

The fourth proportional to 3,550.75, 5,326.13 and 1,085.56 is: 1,628.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.75 : 5,326.13 = 1,085.56 : x
  2. Step 2: Convert to fraction form
    3,550.75/5,326.13 = 1,085.56/x
  3. Step 3: Cross multiply
    3,550.75x = 5,326.13 × 1,085.56
  4. Step 4: Simplify right side
    3,550.75x = 5,781,807.05
  5. Step 5: Solve for x
    x = 5,781,807.05/3,550.75
  6. Step 6: Final answer
    x = 1,628.34

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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.