Home / 3,282.78-4,924.32-1,091.52

Finding the Fourth Proportional to 3,282.78, 4,924.32 and 1,091.52

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Solution

The fourth proportional to 3,282.78, 4,924.32 and 1,091.52 is: 1,637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,282.78 : 4,924.32 = 1,091.52 : x
  2. Step 2: Convert to fraction form
    3,282.78/4,924.32 = 1,091.52/x
  3. Step 3: Cross multiply
    3,282.78x = 4,924.32 × 1,091.52
  4. Step 4: Simplify right side
    3,282.78x = 5,374,993.77
  5. Step 5: Solve for x
    x = 5,374,993.77/3,282.78
  6. Step 6: Final answer
    x = 1,637.33

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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.