Home / 3,269.37-4,511.78-1,777.29

Finding the Fourth Proportional to 3,269.37, 4,511.78 and 1,777.29

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Solution

The fourth proportional to 3,269.37, 4,511.78 and 1,777.29 is: 2,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.37 : 4,511.78 = 1,777.29 : x
  2. Step 2: Convert to fraction form
    3,269.37/4,511.78 = 1,777.29/x
  3. Step 3: Cross multiply
    3,269.37x = 4,511.78 × 1,777.29
  4. Step 4: Simplify right side
    3,269.37x = 8,018,752.71
  5. Step 5: Solve for x
    x = 8,018,752.71/3,269.37
  6. Step 6: Final answer
    x = 2,452.69

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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.