Home / 3,778.10-5,669.38-1,586.66

Finding the Fourth Proportional to 3,778.10, 5,669.38 and 1,586.66

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Solution

The fourth proportional to 3,778.10, 5,669.38 and 1,586.66 is: 2,380.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.10 : 5,669.38 = 1,586.66 : x
  2. Step 2: Convert to fraction form
    3,778.10/5,669.38 = 1,586.66/x
  3. Step 3: Cross multiply
    3,778.10x = 5,669.38 × 1,586.66
  4. Step 4: Simplify right side
    3,778.10x = 8,995,378.47
  5. Step 5: Solve for x
    x = 8,995,378.47/3,778.10
  6. Step 6: Final answer
    x = 2,380.93

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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.