Home / 3,783.48-5,676.20-1,186.44

Finding the Fourth Proportional to 3,783.48, 5,676.20 and 1,186.44

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Solution

The fourth proportional to 3,783.48, 5,676.20 and 1,186.44 is: 1,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.48 : 5,676.20 = 1,186.44 : x
  2. Step 2: Convert to fraction form
    3,783.48/5,676.20 = 1,186.44/x
  3. Step 3: Cross multiply
    3,783.48x = 5,676.20 × 1,186.44
  4. Step 4: Simplify right side
    3,783.48x = 6,734,470.73
  5. Step 5: Solve for x
    x = 6,734,470.73/3,783.48
  6. Step 6: Final answer
    x = 1,779.97

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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.