Home / 2,724.87-4,087.68-1,081.59

Finding the Fourth Proportional to 2,724.87, 4,087.68 and 1,081.59

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Solution

The fourth proportional to 2,724.87, 4,087.68 and 1,081.59 is: 1,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,724.87 : 4,087.68 = 1,081.59 : x
  2. Step 2: Convert to fraction form
    2,724.87/4,087.68 = 1,081.59/x
  3. Step 3: Cross multiply
    2,724.87x = 4,087.68 × 1,081.59
  4. Step 4: Simplify right side
    2,724.87x = 4,421,193.81
  5. Step 5: Solve for x
    x = 4,421,193.81/2,724.87
  6. Step 6: Final answer
    x = 1,622.53

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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.