Home / 3,033.73-4,188.32-1,987.62

Finding the Fourth Proportional to 3,033.73, 4,188.32 and 1,987.62

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Solution

The fourth proportional to 3,033.73, 4,188.32 and 1,987.62 is: 2,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,033.73 : 4,188.32 = 1,987.62 : x
  2. Step 2: Convert to fraction form
    3,033.73/4,188.32 = 1,987.62/x
  3. Step 3: Cross multiply
    3,033.73x = 4,188.32 × 1,987.62
  4. Step 4: Simplify right side
    3,033.73x = 8,324,788.60
  5. Step 5: Solve for x
    x = 8,324,788.60/3,033.73
  6. Step 6: Final answer
    x = 2,744.08

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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.