Home / 2,828.68-4,242.71-1,731.13

Finding the Fourth Proportional to 2,828.68, 4,242.71 and 1,731.13

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Solution

The fourth proportional to 2,828.68, 4,242.71 and 1,731.13 is: 2,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.68 : 4,242.71 = 1,731.13 : x
  2. Step 2: Convert to fraction form
    2,828.68/4,242.71 = 1,731.13/x
  3. Step 3: Cross multiply
    2,828.68x = 4,242.71 × 1,731.13
  4. Step 4: Simplify right side
    2,828.68x = 7,344,676.28
  5. Step 5: Solve for x
    x = 7,344,676.28/2,828.68
  6. Step 6: Final answer
    x = 2,596.51

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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.