Home / 3,389.30-5,086.11-1,441.50

Finding the Fourth Proportional to 3,389.30, 5,086.11 and 1,441.50

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Solution

The fourth proportional to 3,389.30, 5,086.11 and 1,441.50 is: 2,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.30 : 5,086.11 = 1,441.50 : x
  2. Step 2: Convert to fraction form
    3,389.30/5,086.11 = 1,441.50/x
  3. Step 3: Cross multiply
    3,389.30x = 5,086.11 × 1,441.50
  4. Step 4: Simplify right side
    3,389.30x = 7,331,627.57
  5. Step 5: Solve for x
    x = 7,331,627.57/3,389.30
  6. Step 6: Final answer
    x = 2,163.17

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1.5x scale

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.