Home / 3,268.86-4,511.91-1,871.82

Finding the Fourth Proportional to 3,268.86, 4,511.91 and 1,871.82

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Solution

The fourth proportional to 3,268.86, 4,511.91 and 1,871.82 is: 2,583.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.86 : 4,511.91 = 1,871.82 : x
  2. Step 2: Convert to fraction form
    3,268.86/4,511.91 = 1,871.82/x
  3. Step 3: Cross multiply
    3,268.86x = 4,511.91 × 1,871.82
  4. Step 4: Simplify right side
    3,268.86x = 8,445,483.38
  5. Step 5: Solve for x
    x = 8,445,483.38/3,268.86
  6. Step 6: Final answer
    x = 2,583.62

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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.