Home / 3,786.24-5,677.74-1,188.58

Finding the Fourth Proportional to 3,786.24, 5,677.74 and 1,188.58

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Solution

The fourth proportional to 3,786.24, 5,677.74 and 1,188.58 is: 1,782.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.24 : 5,677.74 = 1,188.58 : x
  2. Step 2: Convert to fraction form
    3,786.24/5,677.74 = 1,188.58/x
  3. Step 3: Cross multiply
    3,786.24x = 5,677.74 × 1,188.58
  4. Step 4: Simplify right side
    3,786.24x = 6,748,448.21
  5. Step 5: Solve for x
    x = 6,748,448.21/3,786.24
  6. Step 6: Final answer
    x = 1,782.36

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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.