Home / 3,123.23-4,310.96-2,061.77

Finding the Fourth Proportional to 3,123.23, 4,310.96 and 2,061.77

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Solution

The fourth proportional to 3,123.23, 4,310.96 and 2,061.77 is: 2,845.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.23 : 4,310.96 = 2,061.77 : x
  2. Step 2: Convert to fraction form
    3,123.23/4,310.96 = 2,061.77/x
  3. Step 3: Cross multiply
    3,123.23x = 4,310.96 × 2,061.77
  4. Step 4: Simplify right side
    3,123.23x = 8,888,176.14
  5. Step 5: Solve for x
    x = 8,888,176.14/3,123.23
  6. Step 6: Final answer
    x = 2,845.83

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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.