Home / 3,548.20-5,317.98-2,571.88

Finding the Fourth Proportional to 3,548.20, 5,317.98 and 2,571.88

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Solution

The fourth proportional to 3,548.20, 5,317.98 and 2,571.88 is: 3,854.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,548.20 : 5,317.98 = 2,571.88 : x
  2. Step 2: Convert to fraction form
    3,548.20/5,317.98 = 2,571.88/x
  3. Step 3: Cross multiply
    3,548.20x = 5,317.98 × 2,571.88
  4. Step 4: Simplify right side
    3,548.20x = 13,677,206.40
  5. Step 5: Solve for x
    x = 13,677,206.40/3,548.20
  6. Step 6: Final answer
    x = 3,854.69

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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.