Home / 2,996.29-4,132.67-1,986.17

Finding the Fourth Proportional to 2,996.29, 4,132.67 and 1,986.17

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Solution

The fourth proportional to 2,996.29, 4,132.67 and 1,986.17 is: 2,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.29 : 4,132.67 = 1,986.17 : x
  2. Step 2: Convert to fraction form
    2,996.29/4,132.67 = 1,986.17/x
  3. Step 3: Cross multiply
    2,996.29x = 4,132.67 × 1,986.17
  4. Step 4: Simplify right side
    2,996.29x = 8,208,154.58
  5. Step 5: Solve for x
    x = 8,208,154.58/2,996.29
  6. Step 6: Final answer
    x = 2,739.44

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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.