Home / 3,297.63-4,550.85-1,805.61

Finding the Fourth Proportional to 3,297.63, 4,550.85 and 1,805.61

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Solution

The fourth proportional to 3,297.63, 4,550.85 and 1,805.61 is: 2,491.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.63 : 4,550.85 = 1,805.61 : x
  2. Step 2: Convert to fraction form
    3,297.63/4,550.85 = 1,805.61/x
  3. Step 3: Cross multiply
    3,297.63x = 4,550.85 × 1,805.61
  4. Step 4: Simplify right side
    3,297.63x = 8,217,060.27
  5. Step 5: Solve for x
    x = 8,217,060.27/3,297.63
  6. Step 6: Final answer
    x = 2,491.81

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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.