Home / 3,110.96-4,659.15-1,722.08

Finding the Fourth Proportional to 3,110.96, 4,659.15 and 1,722.08

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Solution

The fourth proportional to 3,110.96, 4,659.15 and 1,722.08 is: 2,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.96 : 4,659.15 = 1,722.08 : x
  2. Step 2: Convert to fraction form
    3,110.96/4,659.15 = 1,722.08/x
  3. Step 3: Cross multiply
    3,110.96x = 4,659.15 × 1,722.08
  4. Step 4: Simplify right side
    3,110.96x = 8,023,429.03
  5. Step 5: Solve for x
    x = 8,023,429.03/3,110.96
  6. Step 6: Final answer
    x = 2,579.08

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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.