Home / 3,643.80-5,466.24-1,177.80

Finding the Fourth Proportional to 3,643.80, 5,466.24 and 1,177.80

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Solution

The fourth proportional to 3,643.80, 5,466.24 and 1,177.80 is: 1,766.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.80 : 5,466.24 = 1,177.80 : x
  2. Step 2: Convert to fraction form
    3,643.80/5,466.24 = 1,177.80/x
  3. Step 3: Cross multiply
    3,643.80x = 5,466.24 × 1,177.80
  4. Step 4: Simplify right side
    3,643.80x = 6,438,137.47
  5. Step 5: Solve for x
    x = 6,438,137.47/3,643.80
  6. Step 6: Final answer
    x = 1,766.87

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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.