Home / 2,729.70-4,088.48-2,208.47

Finding the Fourth Proportional to 2,729.70, 4,088.48 and 2,208.47

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Solution

The fourth proportional to 2,729.70, 4,088.48 and 2,208.47 is: 3,307.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729.70 : 4,088.48 = 2,208.47 : x
  2. Step 2: Convert to fraction form
    2,729.70/4,088.48 = 2,208.47/x
  3. Step 3: Cross multiply
    2,729.70x = 4,088.48 × 2,208.47
  4. Step 4: Simplify right side
    2,729.70x = 9,029,253.94
  5. Step 5: Solve for x
    x = 9,029,253.94/2,729.70
  6. Step 6: Final answer
    x = 3,307.78

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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.