Home / 2,722.93-4,081.20-1,258.99

Finding the Fourth Proportional to 2,722.93, 4,081.20 and 1,258.99

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Solution

The fourth proportional to 2,722.93, 4,081.20 and 1,258.99 is: 1,887.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.93 : 4,081.20 = 1,258.99 : x
  2. Step 2: Convert to fraction form
    2,722.93/4,081.20 = 1,258.99/x
  3. Step 3: Cross multiply
    2,722.93x = 4,081.20 × 1,258.99
  4. Step 4: Simplify right side
    2,722.93x = 5,138,189.99
  5. Step 5: Solve for x
    x = 5,138,189.99/2,722.93
  6. Step 6: Final answer
    x = 1,887.01

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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.