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Finding the Fourth Proportional to 3,156.52, 4,354.82 and 1,829.74

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Solution

The fourth proportional to 3,156.52, 4,354.82 and 1,829.74 is: 2,524.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.52 : 4,354.82 = 1,829.74 : x
  2. Step 2: Convert to fraction form
    3,156.52/4,354.82 = 1,829.74/x
  3. Step 3: Cross multiply
    3,156.52x = 4,354.82 × 1,829.74
  4. Step 4: Simplify right side
    3,156.52x = 7,968,188.35
  5. Step 5: Solve for x
    x = 7,968,188.35/3,156.52
  6. Step 6: Final answer
    x = 2,524.36

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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.