Home / 2,154.68-3,229.62-1,114.73

Finding the Fourth Proportional to 2,154.68, 3,229.62 and 1,114.73

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Solution

The fourth proportional to 2,154.68, 3,229.62 and 1,114.73 is: 1,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.68 : 3,229.62 = 1,114.73 : x
  2. Step 2: Convert to fraction form
    2,154.68/3,229.62 = 1,114.73/x
  3. Step 3: Cross multiply
    2,154.68x = 3,229.62 × 1,114.73
  4. Step 4: Simplify right side
    2,154.68x = 3,600,154.30
  5. Step 5: Solve for x
    x = 3,600,154.30/2,154.68
  6. Step 6: Final answer
    x = 1,670.86

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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.