Home / 3,246.69-4,480.82-1,830.91

Finding the Fourth Proportional to 3,246.69, 4,480.82 and 1,830.91

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Solution

The fourth proportional to 3,246.69, 4,480.82 and 1,830.91 is: 2,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.69 : 4,480.82 = 1,830.91 : x
  2. Step 2: Convert to fraction form
    3,246.69/4,480.82 = 1,830.91/x
  3. Step 3: Cross multiply
    3,246.69x = 4,480.82 × 1,830.91
  4. Step 4: Simplify right side
    3,246.69x = 8,203,978.15
  5. Step 5: Solve for x
    x = 8,203,978.15/3,246.69
  6. Step 6: Final answer
    x = 2,526.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.