Home / 3,297.60-4,550.80-1,805.58

Finding the Fourth Proportional to 3,297.60, 4,550.80 and 1,805.58

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Solution

The fourth proportional to 3,297.60, 4,550.80 and 1,805.58 is: 2,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,297.60 : 4,550.80 = 1,805.58 : x
  2. Step 2: Convert to fraction form
    3,297.60/4,550.80 = 1,805.58/x
  3. Step 3: Cross multiply
    3,297.60x = 4,550.80 × 1,805.58
  4. Step 4: Simplify right side
    3,297.60x = 8,216,824.44
  5. Step 5: Solve for x
    x = 8,216,824.44/3,297.60
  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.