Home / 3,994.40-5,989.32-1,360.59

Finding the Fourth Proportional to 3,994.40, 5,989.32 and 1,360.59

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Solution

The fourth proportional to 3,994.40, 5,989.32 and 1,360.59 is: 2,040.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.40 : 5,989.32 = 1,360.59 : x
  2. Step 2: Convert to fraction form
    3,994.40/5,989.32 = 1,360.59/x
  3. Step 3: Cross multiply
    3,994.40x = 5,989.32 × 1,360.59
  4. Step 4: Simplify right side
    3,994.40x = 8,149,008.90
  5. Step 5: Solve for x
    x = 8,149,008.90/3,994.40
  6. Step 6: Final answer
    x = 2,040.11

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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.