Home / 3,757.60-5,185.64-2,342.12

Finding the Fourth Proportional to 3,757.60, 5,185.64 and 2,342.12

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Solution

The fourth proportional to 3,757.60, 5,185.64 and 2,342.12 is: 3,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.60 : 5,185.64 = 2,342.12 : x
  2. Step 2: Convert to fraction form
    3,757.60/5,185.64 = 2,342.12/x
  3. Step 3: Cross multiply
    3,757.60x = 5,185.64 × 2,342.12
  4. Step 4: Simplify right side
    3,757.60x = 12,145,379.45
  5. Step 5: Solve for x
    x = 12,145,379.45/3,757.60
  6. Step 6: Final answer
    x = 3,232.22

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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.