Home / 1,971.79-2,951.53-1,452.38

Finding the Fourth Proportional to 1,971.79, 2,951.53 and 1,452.38

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Solution

The fourth proportional to 1,971.79, 2,951.53 and 1,452.38 is: 2,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971.79 : 2,951.53 = 1,452.38 : x
  2. Step 2: Convert to fraction form
    1,971.79/2,951.53 = 1,452.38/x
  3. Step 3: Cross multiply
    1,971.79x = 2,951.53 × 1,452.38
  4. Step 4: Simplify right side
    1,971.79x = 4,286,724.75
  5. Step 5: Solve for x
    x = 4,286,724.75/1,971.79
  6. Step 6: Final answer
    x = 2,174.03

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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.