Home / 3,511.02-5,268.14-1,563.78

Finding the Fourth Proportional to 3,511.02, 5,268.14 and 1,563.78

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Solution

The fourth proportional to 3,511.02, 5,268.14 and 1,563.78 is: 2,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.02 : 5,268.14 = 1,563.78 : x
  2. Step 2: Convert to fraction form
    3,511.02/5,268.14 = 1,563.78/x
  3. Step 3: Cross multiply
    3,511.02x = 5,268.14 × 1,563.78
  4. Step 4: Simplify right side
    3,511.02x = 8,238,211.97
  5. Step 5: Solve for x
    x = 8,238,211.97/3,511.02
  6. Step 6: Final answer
    x = 2,346.39

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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.