Home / 1,942.28-2,914.54-1,349.74

Finding the Fourth Proportional to 1,942.28, 2,914.54 and 1,349.74

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Solution

The fourth proportional to 1,942.28, 2,914.54 and 1,349.74 is: 2,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.28 : 2,914.54 = 1,349.74 : x
  2. Step 2: Convert to fraction form
    1,942.28/2,914.54 = 1,349.74/x
  3. Step 3: Cross multiply
    1,942.28x = 2,914.54 × 1,349.74
  4. Step 4: Simplify right side
    1,942.28x = 3,933,871.22
  5. Step 5: Solve for x
    x = 3,933,871.22/1,942.28
  6. Step 6: Final answer
    x = 2,025.39

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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.