Home / 2,208-3,043.20-1,975.68

Finding the Fourth Proportional to 2,208, 3,043.20 and 1,975.68

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Solution

The fourth proportional to 2,208, 3,043.20 and 1,975.68 is: 2,723.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208 : 3,043.20 = 1,975.68 : x
  2. Step 2: Convert to fraction form
    2,208/3,043.20 = 1,975.68/x
  3. Step 3: Cross multiply
    2,208x = 3,043.20 × 1,975.68
  4. Step 4: Simplify right side
    2,208x = 6,012,389.38
  5. Step 5: Solve for x
    x = 6,012,389.38/2,208
  6. Step 6: Final answer
    x = 2,723.00

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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.