Home / 3,789.46-5,688.24-2,149.21

Finding the Fourth Proportional to 3,789.46, 5,688.24 and 2,149.21

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Solution

The fourth proportional to 3,789.46, 5,688.24 and 2,149.21 is: 3,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.46 : 5,688.24 = 2,149.21 : x
  2. Step 2: Convert to fraction form
    3,789.46/5,688.24 = 2,149.21/x
  3. Step 3: Cross multiply
    3,789.46x = 5,688.24 × 2,149.21
  4. Step 4: Simplify right side
    3,789.46x = 12,225,222.29
  5. Step 5: Solve for x
    x = 12,225,222.29/3,789.46
  6. Step 6: Final answer
    x = 3,226.11

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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.