Home / 3,324.40-4,986.57-1,015.90

Finding the Fourth Proportional to 3,324.40, 4,986.57 and 1,015.90

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Solution

The fourth proportional to 3,324.40, 4,986.57 and 1,015.90 is: 1,523.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324.40 : 4,986.57 = 1,015.90 : x
  2. Step 2: Convert to fraction form
    3,324.40/4,986.57 = 1,015.90/x
  3. Step 3: Cross multiply
    3,324.40x = 4,986.57 × 1,015.90
  4. Step 4: Simplify right side
    3,324.40x = 5,065,847.81
  5. Step 5: Solve for x
    x = 5,065,847.81/3,324.40
  6. Step 6: Final answer
    x = 1,523.84

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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.