Home / 3,150.45-4,725.68-2,113.65

Finding the Fourth Proportional to 3,150.45, 4,725.68 and 2,113.65

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Solution

The fourth proportional to 3,150.45, 4,725.68 and 2,113.65 is: 3,170.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.45 : 4,725.68 = 2,113.65 : x
  2. Step 2: Convert to fraction form
    3,150.45/4,725.68 = 2,113.65/x
  3. Step 3: Cross multiply
    3,150.45x = 4,725.68 × 2,113.65
  4. Step 4: Simplify right side
    3,150.45x = 9,988,422.96
  5. Step 5: Solve for x
    x = 9,988,422.96/3,150.45
  6. Step 6: Final answer
    x = 3,170.48

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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.