Home / 1,996.86-2,754.40-1,324.66

Finding the Fourth Proportional to 1,996.86, 2,754.40 and 1,324.66

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Solution

The fourth proportional to 1,996.86, 2,754.40 and 1,324.66 is: 1,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.86 : 2,754.40 = 1,324.66 : x
  2. Step 2: Convert to fraction form
    1,996.86/2,754.40 = 1,324.66/x
  3. Step 3: Cross multiply
    1,996.86x = 2,754.40 × 1,324.66
  4. Step 4: Simplify right side
    1,996.86x = 3,648,643.50
  5. Step 5: Solve for x
    x = 3,648,643.50/1,996.86
  6. Step 6: Final answer
    x = 1,827.19

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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.