Home / 2,208.80-3,313.76-1,823.36

Finding the Fourth Proportional to 2,208.80, 3,313.76 and 1,823.36

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Solution

The fourth proportional to 2,208.80, 3,313.76 and 1,823.36 is: 2,735.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208.80 : 3,313.76 = 1,823.36 : x
  2. Step 2: Convert to fraction form
    2,208.80/3,313.76 = 1,823.36/x
  3. Step 3: Cross multiply
    2,208.80x = 3,313.76 × 1,823.36
  4. Step 4: Simplify right side
    2,208.80x = 6,042,177.43
  5. Step 5: Solve for x
    x = 6,042,177.43/2,208.80
  6. Step 6: Final answer
    x = 2,735.50

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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.