Home / 2,918.43-4,026.92-1,659.29

Finding the Fourth Proportional to 2,918.43, 4,026.92 and 1,659.29

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Solution

The fourth proportional to 2,918.43, 4,026.92 and 1,659.29 is: 2,289.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.43 : 4,026.92 = 1,659.29 : x
  2. Step 2: Convert to fraction form
    2,918.43/4,026.92 = 1,659.29/x
  3. Step 3: Cross multiply
    2,918.43x = 4,026.92 × 1,659.29
  4. Step 4: Simplify right side
    2,918.43x = 6,681,799.66
  5. Step 5: Solve for x
    x = 6,681,799.66/2,918.43
  6. Step 6: Final answer
    x = 2,289.52

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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.