Home / 2,919.05-4,028.12-1,659.93

Finding the Fourth Proportional to 2,919.05, 4,028.12 and 1,659.93

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Solution

The fourth proportional to 2,919.05, 4,028.12 and 1,659.93 is: 2,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,919.05 : 4,028.12 = 1,659.93 : x
  2. Step 2: Convert to fraction form
    2,919.05/4,028.12 = 1,659.93/x
  3. Step 3: Cross multiply
    2,919.05x = 4,028.12 × 1,659.93
  4. Step 4: Simplify right side
    2,919.05x = 6,686,397.23
  5. Step 5: Solve for x
    x = 6,686,397.23/2,919.05
  6. Step 6: Final answer
    x = 2,290.61

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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.