Home / 3,154.20-4,725.42-2,111.13

Finding the Fourth Proportional to 3,154.20, 4,725.42 and 2,111.13

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Solution

The fourth proportional to 3,154.20, 4,725.42 and 2,111.13 is: 3,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.20 : 4,725.42 = 2,111.13 : x
  2. Step 2: Convert to fraction form
    3,154.20/4,725.42 = 2,111.13/x
  3. Step 3: Cross multiply
    3,154.20x = 4,725.42 × 2,111.13
  4. Step 4: Simplify right side
    3,154.20x = 9,975,975.92
  5. Step 5: Solve for x
    x = 9,975,975.92/3,154.20
  6. Step 6: Final answer
    x = 3,162.76

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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.