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Finding the Fourth Proportional to 2,681.61, 4,022.22 and 733.66

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Solution

The fourth proportional to 2,681.61, 4,022.22 and 733.66 is: 1,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.61 : 4,022.22 = 733.66 : x
  2. Step 2: Convert to fraction form
    2,681.61/4,022.22 = 733.66/x
  3. Step 3: Cross multiply
    2,681.61x = 4,022.22 × 733.66
  4. Step 4: Simplify right side
    2,681.61x = 2,950,934.62
  5. Step 5: Solve for x
    x = 2,950,934.62/2,681.61
  6. Step 6: Final answer
    x = 1,100.44

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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.