Home / 2,699.29-4,036.78-2,208.43

Finding the Fourth Proportional to 2,699.29, 4,036.78 and 2,208.43

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Solution

The fourth proportional to 2,699.29, 4,036.78 and 2,208.43 is: 3,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699.29 : 4,036.78 = 2,208.43 : x
  2. Step 2: Convert to fraction form
    2,699.29/4,036.78 = 2,208.43/x
  3. Step 3: Cross multiply
    2,699.29x = 4,036.78 × 2,208.43
  4. Step 4: Simplify right side
    2,699.29x = 8,914,946.06
  5. Step 5: Solve for x
    x = 8,914,946.06/2,699.29
  6. Step 6: Final answer
    x = 3,302.70

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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.