Home / 3,819.24-5,729.01-1,626.47

Finding the Fourth Proportional to 3,819.24, 5,729.01 and 1,626.47

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Solution

The fourth proportional to 3,819.24, 5,729.01 and 1,626.47 is: 2,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.24 : 5,729.01 = 1,626.47 : x
  2. Step 2: Convert to fraction form
    3,819.24/5,729.01 = 1,626.47/x
  3. Step 3: Cross multiply
    3,819.24x = 5,729.01 × 1,626.47
  4. Step 4: Simplify right side
    3,819.24x = 9,318,062.89
  5. Step 5: Solve for x
    x = 9,318,062.89/3,819.24
  6. Step 6: Final answer
    x = 2,439.77

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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.