Home / 3,987.44-5,982.38-2,041.02

Finding the Fourth Proportional to 3,987.44, 5,982.38 and 2,041.02

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Solution

The fourth proportional to 3,987.44, 5,982.38 and 2,041.02 is: 3,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.44 : 5,982.38 = 2,041.02 : x
  2. Step 2: Convert to fraction form
    3,987.44/5,982.38 = 2,041.02/x
  3. Step 3: Cross multiply
    3,987.44x = 5,982.38 × 2,041.02
  4. Step 4: Simplify right side
    3,987.44x = 12,210,157.23
  5. Step 5: Solve for x
    x = 12,210,157.23/3,987.44
  6. Step 6: Final answer
    x = 3,062.15

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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.