Home / 3,269.08-4,511.22-1,871.56

Finding the Fourth Proportional to 3,269.08, 4,511.22 and 1,871.56

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Solution

The fourth proportional to 3,269.08, 4,511.22 and 1,871.56 is: 2,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.08 : 4,511.22 = 1,871.56 : x
  2. Step 2: Convert to fraction form
    3,269.08/4,511.22 = 1,871.56/x
  3. Step 3: Cross multiply
    3,269.08x = 4,511.22 × 1,871.56
  4. Step 4: Simplify right side
    3,269.08x = 8,443,018.90
  5. Step 5: Solve for x
    x = 8,443,018.90/3,269.08
  6. Step 6: Final answer
    x = 2,582.69

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1.5x scale

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.