Home / 3,180.69-4,764.88-1,789.80

Finding the Fourth Proportional to 3,180.69, 4,764.88 and 1,789.80

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Solution

The fourth proportional to 3,180.69, 4,764.88 and 1,789.80 is: 2,681.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.69 : 4,764.88 = 1,789.80 : x
  2. Step 2: Convert to fraction form
    3,180.69/4,764.88 = 1,789.80/x
  3. Step 3: Cross multiply
    3,180.69x = 4,764.88 × 1,789.80
  4. Step 4: Simplify right side
    3,180.69x = 8,528,182.22
  5. Step 5: Solve for x
    x = 8,528,182.22/3,180.69
  6. Step 6: Final answer
    x = 2,681.24

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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.