Home / 4,162.20-5,746.58-2,670.78

Finding the Fourth Proportional to 4,162.20, 5,746.58 and 2,670.78

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Solution

The fourth proportional to 4,162.20, 5,746.58 and 2,670.78 is: 3,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.20 : 5,746.58 = 2,670.78 : x
  2. Step 2: Convert to fraction form
    4,162.20/5,746.58 = 2,670.78/x
  3. Step 3: Cross multiply
    4,162.20x = 5,746.58 × 2,670.78
  4. Step 4: Simplify right side
    4,162.20x = 15,347,850.93
  5. Step 5: Solve for x
    x = 15,347,850.93/4,162.20
  6. Step 6: Final answer
    x = 3,687.44

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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.