Home / 3,115.41-4,673.22-923.96

Finding the Fourth Proportional to 3,115.41, 4,673.22 and 923.96

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Solution

The fourth proportional to 3,115.41, 4,673.22 and 923.96 is: 1,385.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.41 : 4,673.22 = 923.96 : x
  2. Step 2: Convert to fraction form
    3,115.41/4,673.22 = 923.96/x
  3. Step 3: Cross multiply
    3,115.41x = 4,673.22 × 923.96
  4. Step 4: Simplify right side
    3,115.41x = 4,317,844.99
  5. Step 5: Solve for x
    x = 4,317,844.99/3,115.41
  6. Step 6: Final answer
    x = 1,385.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.