Home / 1,940.02-2,910.30-844.90

Finding the Fourth Proportional to 1,940.02, 2,910.30 and 844.90

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Solution

The fourth proportional to 1,940.02, 2,910.30 and 844.90 is: 1,267.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.02 : 2,910.30 = 844.90 : x
  2. Step 2: Convert to fraction form
    1,940.02/2,910.30 = 844.90/x
  3. Step 3: Cross multiply
    1,940.02x = 2,910.30 × 844.90
  4. Step 4: Simplify right side
    1,940.02x = 2,458,912.47
  5. Step 5: Solve for x
    x = 2,458,912.47/1,940.02
  6. Step 6: Final answer
    x = 1,267.47

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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.