Home / 3,626.56-5,441.28-1,318.24

Finding the Fourth Proportional to 3,626.56, 5,441.28 and 1,318.24

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Solution

The fourth proportional to 3,626.56, 5,441.28 and 1,318.24 is: 1,977.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.56 : 5,441.28 = 1,318.24 : x
  2. Step 2: Convert to fraction form
    3,626.56/5,441.28 = 1,318.24/x
  3. Step 3: Cross multiply
    3,626.56x = 5,441.28 × 1,318.24
  4. Step 4: Simplify right side
    3,626.56x = 7,172,912.95
  5. Step 5: Solve for x
    x = 7,172,912.95/3,626.56
  6. Step 6: Final answer
    x = 1,977.88

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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.