Home / 1,942.59-2,911.83-1,394.48

Finding the Fourth Proportional to 1,942.59, 2,911.83 and 1,394.48

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Solution

The fourth proportional to 1,942.59, 2,911.83 and 1,394.48 is: 2,090.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.59 : 2,911.83 = 1,394.48 : x
  2. Step 2: Convert to fraction form
    1,942.59/2,911.83 = 1,394.48/x
  3. Step 3: Cross multiply
    1,942.59x = 2,911.83 × 1,394.48
  4. Step 4: Simplify right side
    1,942.59x = 4,060,474.14
  5. Step 5: Solve for x
    x = 4,060,474.14/1,942.59
  6. Step 6: Final answer
    x = 2,090.24

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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.