Home / 3,840.24-5,294.34-3,757.44

Finding the Fourth Proportional to 3,840.24, 5,294.34 and 3,757.44

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Solution

The fourth proportional to 3,840.24, 5,294.34 and 3,757.44 is: 5,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840.24 : 5,294.34 = 3,757.44 : x
  2. Step 2: Convert to fraction form
    3,840.24/5,294.34 = 3,757.44/x
  3. Step 3: Cross multiply
    3,840.24x = 5,294.34 × 3,757.44
  4. Step 4: Simplify right side
    3,840.24x = 19,893,164.89
  5. Step 5: Solve for x
    x = 19,893,164.89/3,840.24
  6. Step 6: Final answer
    x = 5,180.19

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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.