Home / 2,921.82-4,032.87-1,743.18

Finding the Fourth Proportional to 2,921.82, 4,032.87 and 1,743.18

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Solution

The fourth proportional to 2,921.82, 4,032.87 and 1,743.18 is: 2,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.82 : 4,032.87 = 1,743.18 : x
  2. Step 2: Convert to fraction form
    2,921.82/4,032.87 = 1,743.18/x
  3. Step 3: Cross multiply
    2,921.82x = 4,032.87 × 1,743.18
  4. Step 4: Simplify right side
    2,921.82x = 7,030,018.33
  5. Step 5: Solve for x
    x = 7,030,018.33/2,921.82
  6. Step 6: Final answer
    x = 2,406.04

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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.