Home / 2,169.52-3,245.36-1,804.80

Finding the Fourth Proportional to 2,169.52, 3,245.36 and 1,804.80

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Solution

The fourth proportional to 2,169.52, 3,245.36 and 1,804.80 is: 2,699.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.52 : 3,245.36 = 1,804.80 : x
  2. Step 2: Convert to fraction form
    2,169.52/3,245.36 = 1,804.80/x
  3. Step 3: Cross multiply
    2,169.52x = 3,245.36 × 1,804.80
  4. Step 4: Simplify right side
    2,169.52x = 5,857,225.73
  5. Step 5: Solve for x
    x = 5,857,225.73/2,169.52
  6. Step 6: Final answer
    x = 2,699.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.