Home / 3,269.32-4,511.65-1,777.21

Finding the Fourth Proportional to 3,269.32, 4,511.65 and 1,777.21

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Solution

The fourth proportional to 3,269.32, 4,511.65 and 1,777.21 is: 2,452.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.32 : 4,511.65 = 1,777.21 : x
  2. Step 2: Convert to fraction form
    3,269.32/4,511.65 = 1,777.21/x
  3. Step 3: Cross multiply
    3,269.32x = 4,511.65 × 1,777.21
  4. Step 4: Simplify right side
    3,269.32x = 8,018,149.50
  5. Step 5: Solve for x
    x = 8,018,149.50/3,269.32
  6. Step 6: Final answer
    x = 2,452.54

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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.