Home / 4,155.20-5,734.18-2,266.79

Finding the Fourth Proportional to 4,155.20, 5,734.18 and 2,266.79

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Solution

The fourth proportional to 4,155.20, 5,734.18 and 2,266.79 is: 3,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.20 : 5,734.18 = 2,266.79 : x
  2. Step 2: Convert to fraction form
    4,155.20/5,734.18 = 2,266.79/x
  3. Step 3: Cross multiply
    4,155.20x = 5,734.18 × 2,266.79
  4. Step 4: Simplify right side
    4,155.20x = 12,998,181.88
  5. Step 5: Solve for x
    x = 12,998,181.88/4,155.20
  6. Step 6: Final answer
    x = 3,128.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.