Home / 3,297.77-4,550.72-1,805.70

Finding the Fourth Proportional to 3,297.77, 4,550.72 and 1,805.70

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Solution

The fourth proportional to 3,297.77, 4,550.72 and 1,805.70 is: 2,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.77 : 4,550.72 = 1,805.70 : x
  2. Step 2: Convert to fraction form
    3,297.77/4,550.72 = 1,805.70/x
  3. Step 3: Cross multiply
    3,297.77x = 4,550.72 × 1,805.70
  4. Step 4: Simplify right side
    3,297.77x = 8,217,226.08
  5. Step 5: Solve for x
    x = 8,217,226.08/3,297.77
  6. Step 6: Final answer
    x = 2,491.76

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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.