Home / 2,039.72-3,060.30-1,173.80

Finding the Fourth Proportional to 2,039.72, 3,060.30 and 1,173.80

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Solution

The fourth proportional to 2,039.72, 3,060.30 and 1,173.80 is: 1,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.72 : 3,060.30 = 1,173.80 : x
  2. Step 2: Convert to fraction form
    2,039.72/3,060.30 = 1,173.80/x
  3. Step 3: Cross multiply
    2,039.72x = 3,060.30 × 1,173.80
  4. Step 4: Simplify right side
    2,039.72x = 3,592,180.14
  5. Step 5: Solve for x
    x = 3,592,180.14/2,039.72
  6. Step 6: Final answer
    x = 1,761.11

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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.