Home / 3,571.48-5,346.30-2,871.64

Finding the Fourth Proportional to 3,571.48, 5,346.30 and 2,871.64

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Solution

The fourth proportional to 3,571.48, 5,346.30 and 2,871.64 is: 4,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.48 : 5,346.30 = 2,871.64 : x
  2. Step 2: Convert to fraction form
    3,571.48/5,346.30 = 2,871.64/x
  3. Step 3: Cross multiply
    3,571.48x = 5,346.30 × 2,871.64
  4. Step 4: Simplify right side
    3,571.48x = 15,352,648.93
  5. Step 5: Solve for x
    x = 15,352,648.93/3,571.48
  6. Step 6: Final answer
    x = 4,298.68

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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.