Home / 3,988.09-5,976.64-2,036.22

Finding the Fourth Proportional to 3,988.09, 5,976.64 and 2,036.22

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Solution

The fourth proportional to 3,988.09, 5,976.64 and 2,036.22 is: 3,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.09 : 5,976.64 = 2,036.22 : x
  2. Step 2: Convert to fraction form
    3,988.09/5,976.64 = 2,036.22/x
  3. Step 3: Cross multiply
    3,988.09x = 5,976.64 × 2,036.22
  4. Step 4: Simplify right side
    3,988.09x = 12,169,753.90
  5. Step 5: Solve for x
    x = 12,169,753.90/3,988.09
  6. Step 6: Final answer
    x = 3,051.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.