Home / 3,991.44-5,988.38-2,045.02

Finding the Fourth Proportional to 3,991.44, 5,988.38 and 2,045.02

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Solution

The fourth proportional to 3,991.44, 5,988.38 and 2,045.02 is: 3,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991.44 : 5,988.38 = 2,045.02 : x
  2. Step 2: Convert to fraction form
    3,991.44/5,988.38 = 2,045.02/x
  3. Step 3: Cross multiply
    3,991.44x = 5,988.38 × 2,045.02
  4. Step 4: Simplify right side
    3,991.44x = 12,246,356.87
  5. Step 5: Solve for x
    x = 12,246,356.87/3,991.44
  6. Step 6: Final answer
    x = 3,068.16

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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.