Home / 2,117.24-3,176.94-1,007.91

Finding the Fourth Proportional to 2,117.24, 3,176.94 and 1,007.91

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Solution

The fourth proportional to 2,117.24, 3,176.94 and 1,007.91 is: 1,512.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.24 : 3,176.94 = 1,007.91 : x
  2. Step 2: Convert to fraction form
    2,117.24/3,176.94 = 1,007.91/x
  3. Step 3: Cross multiply
    2,117.24x = 3,176.94 × 1,007.91
  4. Step 4: Simplify right side
    2,117.24x = 3,202,053.90
  5. Step 5: Solve for x
    x = 3,202,053.90/2,117.24
  6. Step 6: Final answer
    x = 1,512.38

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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.