Home / 3,123.45-4,310.46-2,062.14

Finding the Fourth Proportional to 3,123.45, 4,310.46 and 2,062.14

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Solution

The fourth proportional to 3,123.45, 4,310.46 and 2,062.14 is: 2,845.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.45 : 4,310.46 = 2,062.14 : x
  2. Step 2: Convert to fraction form
    3,123.45/4,310.46 = 2,062.14/x
  3. Step 3: Cross multiply
    3,123.45x = 4,310.46 × 2,062.14
  4. Step 4: Simplify right side
    3,123.45x = 8,888,771.98
  5. Step 5: Solve for x
    x = 8,888,771.98/3,123.45
  6. Step 6: Final answer
    x = 2,845.82

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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.