Home / 3,989.66-5,980.82-2,041.38

Finding the Fourth Proportional to 3,989.66, 5,980.82 and 2,041.38

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Solution

The fourth proportional to 3,989.66, 5,980.82 and 2,041.38 is: 3,060.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989.66 : 5,980.82 = 2,041.38 : x
  2. Step 2: Convert to fraction form
    3,989.66/5,980.82 = 2,041.38/x
  3. Step 3: Cross multiply
    3,989.66x = 5,980.82 × 2,041.38
  4. Step 4: Simplify right side
    3,989.66x = 12,209,116.12
  5. Step 5: Solve for x
    x = 12,209,116.12/3,989.66
  6. Step 6: Final answer
    x = 3,060.19

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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.