Home / 2,989.00-4,124.93-1,996.25

Finding the Fourth Proportional to 2,989.00, 4,124.93 and 1,996.25

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Solution

The fourth proportional to 2,989.00, 4,124.93 and 1,996.25 is: 2,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.00 : 4,124.93 = 1,996.25 : x
  2. Step 2: Convert to fraction form
    2,989.00/4,124.93 = 1,996.25/x
  3. Step 3: Cross multiply
    2,989.00x = 4,124.93 × 1,996.25
  4. Step 4: Simplify right side
    2,989.00x = 8,234,360.91
  5. Step 5: Solve for x
    x = 8,234,360.91/2,989.00
  6. Step 6: Final answer
    x = 2,754.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.