Home / 3,591.24-5,382.70-2,421.48

Finding the Fourth Proportional to 3,591.24, 5,382.70 and 2,421.48

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Solution

The fourth proportional to 3,591.24, 5,382.70 and 2,421.48 is: 3,629.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.24 : 5,382.70 = 2,421.48 : x
  2. Step 2: Convert to fraction form
    3,591.24/5,382.70 = 2,421.48/x
  3. Step 3: Cross multiply
    3,591.24x = 5,382.70 × 2,421.48
  4. Step 4: Simplify right side
    3,591.24x = 13,034,100.40
  5. Step 5: Solve for x
    x = 13,034,100.40/3,591.24
  6. Step 6: Final answer
    x = 3,629.42

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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.