Home / 2,125.00-3,188.37-1,149.94

Finding the Fourth Proportional to 2,125.00, 3,188.37 and 1,149.94

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Solution

The fourth proportional to 2,125.00, 3,188.37 and 1,149.94 is: 1,725.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.00 : 3,188.37 = 1,149.94 : x
  2. Step 2: Convert to fraction form
    2,125.00/3,188.37 = 1,149.94/x
  3. Step 3: Cross multiply
    2,125.00x = 3,188.37 × 1,149.94
  4. Step 4: Simplify right side
    2,125.00x = 3,666,418.26
  5. Step 5: Solve for x
    x = 3,666,418.26/2,125.00
  6. Step 6: Final answer
    x = 1,725.38

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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.