Home / 3,115.01-4,671.73-923.23

Finding the Fourth Proportional to 3,115.01, 4,671.73 and 923.23

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Solution

The fourth proportional to 3,115.01, 4,671.73 and 923.23 is: 1,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.01 : 4,671.73 = 923.23 : x
  2. Step 2: Convert to fraction form
    3,115.01/4,671.73 = 923.23/x
  3. Step 3: Cross multiply
    3,115.01x = 4,671.73 × 923.23
  4. Step 4: Simplify right side
    3,115.01x = 4,313,074.91
  5. Step 5: Solve for x
    x = 4,313,074.91/3,115.01
  6. Step 6: Final answer
    x = 1,384.61

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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.