Home / 2,827.26-4,240.71-1,731.78

Finding the Fourth Proportional to 2,827.26, 4,240.71 and 1,731.78

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Solution

The fourth proportional to 2,827.26, 4,240.71 and 1,731.78 is: 2,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.26 : 4,240.71 = 1,731.78 : x
  2. Step 2: Convert to fraction form
    2,827.26/4,240.71 = 1,731.78/x
  3. Step 3: Cross multiply
    2,827.26x = 4,240.71 × 1,731.78
  4. Step 4: Simplify right side
    2,827.26x = 7,343,976.76
  5. Step 5: Solve for x
    x = 7,343,976.76/2,827.26
  6. Step 6: Final answer
    x = 2,597.56

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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.