Home / 3,500.25-5,247.09-1,419.90

Finding the Fourth Proportional to 3,500.25, 5,247.09 and 1,419.90

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Solution

The fourth proportional to 3,500.25, 5,247.09 and 1,419.90 is: 2,128.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500.25 : 5,247.09 = 1,419.90 : x
  2. Step 2: Convert to fraction form
    3,500.25/5,247.09 = 1,419.90/x
  3. Step 3: Cross multiply
    3,500.25x = 5,247.09 × 1,419.90
  4. Step 4: Simplify right side
    3,500.25x = 7,450,343.09
  5. Step 5: Solve for x
    x = 7,450,343.09/3,500.25
  6. Step 6: Final answer
    x = 2,128.52

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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.