Home / 3,837.15-5,755.62-3,107.19

Finding the Fourth Proportional to 3,837.15, 5,755.62 and 3,107.19

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Solution

The fourth proportional to 3,837.15, 5,755.62 and 3,107.19 is: 4,660.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.15 : 5,755.62 = 3,107.19 : x
  2. Step 2: Convert to fraction form
    3,837.15/5,755.62 = 3,107.19/x
  3. Step 3: Cross multiply
    3,837.15x = 5,755.62 × 3,107.19
  4. Step 4: Simplify right side
    3,837.15x = 17,883,804.91
  5. Step 5: Solve for x
    x = 17,883,804.91/3,837.15
  6. Step 6: Final answer
    x = 4,660.70

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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.