Home / 3,134.91-4,326.23-1,718.57

Finding the Fourth Proportional to 3,134.91, 4,326.23 and 1,718.57

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Solution

The fourth proportional to 3,134.91, 4,326.23 and 1,718.57 is: 2,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.91 : 4,326.23 = 1,718.57 : x
  2. Step 2: Convert to fraction form
    3,134.91/4,326.23 = 1,718.57/x
  3. Step 3: Cross multiply
    3,134.91x = 4,326.23 × 1,718.57
  4. Step 4: Simplify right side
    3,134.91x = 7,434,944.20
  5. Step 5: Solve for x
    x = 7,434,944.20/3,134.91
  6. Step 6: Final answer
    x = 2,371.66

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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.