Home / 2,829.43-4,239.53-1,731.49

Finding the Fourth Proportional to 2,829.43, 4,239.53 and 1,731.49

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Solution

The fourth proportional to 2,829.43, 4,239.53 and 1,731.49 is: 2,594.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.43 : 4,239.53 = 1,731.49 : x
  2. Step 2: Convert to fraction form
    2,829.43/4,239.53 = 1,731.49/x
  3. Step 3: Cross multiply
    2,829.43x = 4,239.53 × 1,731.49
  4. Step 4: Simplify right side
    2,829.43x = 7,340,705.52
  5. Step 5: Solve for x
    x = 7,340,705.52/2,829.43
  6. Step 6: Final answer
    x = 2,594.41

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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.