Home / 1,962.81-2,945.97-1,474.38

Finding the Fourth Proportional to 1,962.81, 2,945.97 and 1,474.38

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Solution

The fourth proportional to 1,962.81, 2,945.97 and 1,474.38 is: 2,212.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.81 : 2,945.97 = 1,474.38 : x
  2. Step 2: Convert to fraction form
    1,962.81/2,945.97 = 1,474.38/x
  3. Step 3: Cross multiply
    1,962.81x = 2,945.97 × 1,474.38
  4. Step 4: Simplify right side
    1,962.81x = 4,343,479.25
  5. Step 5: Solve for x
    x = 4,343,479.25/1,962.81
  6. Step 6: Final answer
    x = 2,212.89

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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.