Home / 1,940.06-2,913.82-1,663.04

Finding the Fourth Proportional to 1,940.06, 2,913.82 and 1,663.04

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Solution

The fourth proportional to 1,940.06, 2,913.82 and 1,663.04 is: 2,497.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.06 : 2,913.82 = 1,663.04 : x
  2. Step 2: Convert to fraction form
    1,940.06/2,913.82 = 1,663.04/x
  3. Step 3: Cross multiply
    1,940.06x = 2,913.82 × 1,663.04
  4. Step 4: Simplify right side
    1,940.06x = 4,845,799.21
  5. Step 5: Solve for x
    x = 4,845,799.21/1,940.06
  6. Step 6: Final answer
    x = 2,497.76

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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.