Home / 3,786.51-5,676.93-2,550.45

Finding the Fourth Proportional to 3,786.51, 5,676.93 and 2,550.45

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Solution

The fourth proportional to 3,786.51, 5,676.93 and 2,550.45 is: 3,823.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,786.51 : 5,676.93 = 2,550.45 : x
  2. Step 2: Convert to fraction form
    3,786.51/5,676.93 = 2,550.45/x
  3. Step 3: Cross multiply
    3,786.51x = 5,676.93 × 2,550.45
  4. Step 4: Simplify right side
    3,786.51x = 14,478,726.12
  5. Step 5: Solve for x
    x = 14,478,726.12/3,786.51
  6. Step 6: Final answer
    x = 3,823.77

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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.