Home / 3,123.62-4,310.60-1,726.38

Finding the Fourth Proportional to 3,123.62, 4,310.60 and 1,726.38

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Solution

The fourth proportional to 3,123.62, 4,310.60 and 1,726.38 is: 2,382.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.62 : 4,310.60 = 1,726.38 : x
  2. Step 2: Convert to fraction form
    3,123.62/4,310.60 = 1,726.38/x
  3. Step 3: Cross multiply
    3,123.62x = 4,310.60 × 1,726.38
  4. Step 4: Simplify right side
    3,123.62x = 7,441,733.63
  5. Step 5: Solve for x
    x = 7,441,733.63/3,123.62
  6. Step 6: Final answer
    x = 2,382.41

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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.