Home / 2,829.92-3,905.52-1,571.10

Finding the Fourth Proportional to 2,829.92, 3,905.52 and 1,571.10

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Solution

The fourth proportional to 2,829.92, 3,905.52 and 1,571.10 is: 2,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.92 : 3,905.52 = 1,571.10 : x
  2. Step 2: Convert to fraction form
    2,829.92/3,905.52 = 1,571.10/x
  3. Step 3: Cross multiply
    2,829.92x = 3,905.52 × 1,571.10
  4. Step 4: Simplify right side
    2,829.92x = 6,135,962.47
  5. Step 5: Solve for x
    x = 6,135,962.47/2,829.92
  6. Step 6: Final answer
    x = 2,168.25

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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.