Home / 3,511.26-5,266.80-1,663.23

Finding the Fourth Proportional to 3,511.26, 5,266.80 and 1,663.23

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Solution

The fourth proportional to 3,511.26, 5,266.80 and 1,663.23 is: 2,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.26 : 5,266.80 = 1,663.23 : x
  2. Step 2: Convert to fraction form
    3,511.26/5,266.80 = 1,663.23/x
  3. Step 3: Cross multiply
    3,511.26x = 5,266.80 × 1,663.23
  4. Step 4: Simplify right side
    3,511.26x = 8,759,899.76
  5. Step 5: Solve for x
    x = 8,759,899.76/3,511.26
  6. Step 6: Final answer
    x = 2,494.80

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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.