Home / 3,793.53-5,235.09-2,115.04

Finding the Fourth Proportional to 3,793.53, 5,235.09 and 2,115.04

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Solution

The fourth proportional to 3,793.53, 5,235.09 and 2,115.04 is: 2,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,793.53 : 5,235.09 = 2,115.04 : x
  2. Step 2: Convert to fraction form
    3,793.53/5,235.09 = 2,115.04/x
  3. Step 3: Cross multiply
    3,793.53x = 5,235.09 × 2,115.04
  4. Step 4: Simplify right side
    3,793.53x = 11,072,424.75
  5. Step 5: Solve for x
    x = 11,072,424.75/3,793.53
  6. Step 6: Final answer
    x = 2,918.77

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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.