Home / 2,996.31-4,134.92-1,670.28

Finding the Fourth Proportional to 2,996.31, 4,134.92 and 1,670.28

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Solution

The fourth proportional to 2,996.31, 4,134.92 and 1,670.28 is: 2,304.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.31 : 4,134.92 = 1,670.28 : x
  2. Step 2: Convert to fraction form
    2,996.31/4,134.92 = 1,670.28/x
  3. Step 3: Cross multiply
    2,996.31x = 4,134.92 × 1,670.28
  4. Step 4: Simplify right side
    2,996.31x = 6,906,465.83
  5. Step 5: Solve for x
    x = 6,906,465.83/2,996.31
  6. Step 6: Final answer
    x = 2,304.99

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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.