Home / 2,205.44-3,043.52-1,210.73

Finding the Fourth Proportional to 2,205.44, 3,043.52 and 1,210.73

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Solution

The fourth proportional to 2,205.44, 3,043.52 and 1,210.73 is: 1,670.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.44 : 3,043.52 = 1,210.73 : x
  2. Step 2: Convert to fraction form
    2,205.44/3,043.52 = 1,210.73/x
  3. Step 3: Cross multiply
    2,205.44x = 3,043.52 × 1,210.73
  4. Step 4: Simplify right side
    2,205.44x = 3,684,859.70
  5. Step 5: Solve for x
    x = 3,684,859.70/2,205.44
  6. Step 6: Final answer
    x = 1,670.81

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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.