Home / 3,837.16-5,755.76-1,240.24

Finding the Fourth Proportional to 3,837.16, 5,755.76 and 1,240.24

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Solution

The fourth proportional to 3,837.16, 5,755.76 and 1,240.24 is: 1,860.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.16 : 5,755.76 = 1,240.24 : x
  2. Step 2: Convert to fraction form
    3,837.16/5,755.76 = 1,240.24/x
  3. Step 3: Cross multiply
    3,837.16x = 5,755.76 × 1,240.24
  4. Step 4: Simplify right side
    3,837.16x = 7,138,523.78
  5. Step 5: Solve for x
    x = 7,138,523.78/3,837.16
  6. Step 6: Final answer
    x = 1,860.37

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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.