Home / 3,297.85-4,550.98-1,805.72

Finding the Fourth Proportional to 3,297.85, 4,550.98 and 1,805.72

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Solution

The fourth proportional to 3,297.85, 4,550.98 and 1,805.72 is: 2,491.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.85 : 4,550.98 = 1,805.72 : x
  2. Step 2: Convert to fraction form
    3,297.85/4,550.98 = 1,805.72/x
  3. Step 3: Cross multiply
    3,297.85x = 4,550.98 × 1,805.72
  4. Step 4: Simplify right side
    3,297.85x = 8,217,795.61
  5. Step 5: Solve for x
    x = 8,217,795.61/3,297.85
  6. Step 6: Final answer
    x = 2,491.86

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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.