Home / 3,097.43-4,275.24-1,917.87

Finding the Fourth Proportional to 3,097.43, 4,275.24 and 1,917.87

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Solution

The fourth proportional to 3,097.43, 4,275.24 and 1,917.87 is: 2,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.43 : 4,275.24 = 1,917.87 : x
  2. Step 2: Convert to fraction form
    3,097.43/4,275.24 = 1,917.87/x
  3. Step 3: Cross multiply
    3,097.43x = 4,275.24 × 1,917.87
  4. Step 4: Simplify right side
    3,097.43x = 8,199,354.54
  5. Step 5: Solve for x
    x = 8,199,354.54/3,097.43
  6. Step 6: Final answer
    x = 2,647.15

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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.