Home / 2,239.90-3,360.03-1,265.02

Finding the Fourth Proportional to 2,239.90, 3,360.03 and 1,265.02

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Solution

The fourth proportional to 2,239.90, 3,360.03 and 1,265.02 is: 1,897.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.90 : 3,360.03 = 1,265.02 : x
  2. Step 2: Convert to fraction form
    2,239.90/3,360.03 = 1,265.02/x
  3. Step 3: Cross multiply
    2,239.90x = 3,360.03 × 1,265.02
  4. Step 4: Simplify right side
    2,239.90x = 4,250,505.15
  5. Step 5: Solve for x
    x = 4,250,505.15/2,239.90
  6. Step 6: Final answer
    x = 1,897.63

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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.