Home / 3,269.12-4,511.45-1,871.87

Finding the Fourth Proportional to 3,269.12, 4,511.45 and 1,871.87

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Solution

The fourth proportional to 3,269.12, 4,511.45 and 1,871.87 is: 2,583.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.12 : 4,511.45 = 1,871.87 : x
  2. Step 2: Convert to fraction form
    3,269.12/4,511.45 = 1,871.87/x
  3. Step 3: Cross multiply
    3,269.12x = 4,511.45 × 1,871.87
  4. Step 4: Simplify right side
    3,269.12x = 8,444,847.91
  5. Step 5: Solve for x
    x = 8,444,847.91/3,269.12
  6. Step 6: Final answer
    x = 2,583.22

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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.