Home / 3,786.30-5,678.19-1,837.26

Finding the Fourth Proportional to 3,786.30, 5,678.19 and 1,837.26

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Solution

The fourth proportional to 3,786.30, 5,678.19 and 1,837.26 is: 2,755.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.30 : 5,678.19 = 1,837.26 : x
  2. Step 2: Convert to fraction form
    3,786.30/5,678.19 = 1,837.26/x
  3. Step 3: Cross multiply
    3,786.30x = 5,678.19 × 1,837.26
  4. Step 4: Simplify right side
    3,786.30x = 10,432,311.36
  5. Step 5: Solve for x
    x = 10,432,311.36/3,786.30
  6. Step 6: Final answer
    x = 2,755.28

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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.