Home / 2,842.17-3,921.25-1,662.41

Finding the Fourth Proportional to 2,842.17, 3,921.25 and 1,662.41

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Solution

The fourth proportional to 2,842.17, 3,921.25 and 1,662.41 is: 2,293.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.17 : 3,921.25 = 1,662.41 : x
  2. Step 2: Convert to fraction form
    2,842.17/3,921.25 = 1,662.41/x
  3. Step 3: Cross multiply
    2,842.17x = 3,921.25 × 1,662.41
  4. Step 4: Simplify right side
    2,842.17x = 6,518,725.21
  5. Step 5: Solve for x
    x = 6,518,725.21/2,842.17
  6. Step 6: Final answer
    x = 2,293.57

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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.