Home / 5,052.90-7,580.37-2,131.20

Finding the Fourth Proportional to 5,052.90, 7,580.37 and 2,131.20

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Solution

The fourth proportional to 5,052.90, 7,580.37 and 2,131.20 is: 3,197.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,052.90 : 7,580.37 = 2,131.20 : x
  2. Step 2: Convert to fraction form
    5,052.90/7,580.37 = 2,131.20/x
  3. Step 3: Cross multiply
    5,052.90x = 7,580.37 × 2,131.20
  4. Step 4: Simplify right side
    5,052.90x = 16,155,284.54
  5. Step 5: Solve for x
    x = 16,155,284.54/5,052.90
  6. Step 6: Final answer
    x = 3,197.23

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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.