Home / 3,550.89-5,326.35-1,085.70

Finding the Fourth Proportional to 3,550.89, 5,326.35 and 1,085.70

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Solution

The fourth proportional to 3,550.89, 5,326.35 and 1,085.70 is: 1,628.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.89 : 5,326.35 = 1,085.70 : x
  2. Step 2: Convert to fraction form
    3,550.89/5,326.35 = 1,085.70/x
  3. Step 3: Cross multiply
    3,550.89x = 5,326.35 × 1,085.70
  4. Step 4: Simplify right side
    3,550.89x = 5,782,786.13
  5. Step 5: Solve for x
    x = 5,782,786.13/3,550.89
  6. Step 6: Final answer
    x = 1,628.55

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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.