Home / 3,097.24-4,275.02-1,917.65

Finding the Fourth Proportional to 3,097.24, 4,275.02 and 1,917.65

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Solution

The fourth proportional to 3,097.24, 4,275.02 and 1,917.65 is: 2,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.24 : 4,275.02 = 1,917.65 : x
  2. Step 2: Convert to fraction form
    3,097.24/4,275.02 = 1,917.65/x
  3. Step 3: Cross multiply
    3,097.24x = 4,275.02 × 1,917.65
  4. Step 4: Simplify right side
    3,097.24x = 8,198,007.58
  5. Step 5: Solve for x
    x = 8,198,007.58/3,097.24
  6. Step 6: Final answer
    x = 2,646.88

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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.