Home / 2,951.68-4,429.54-1,911.22

Finding the Fourth Proportional to 2,951.68, 4,429.54 and 1,911.22

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Solution

The fourth proportional to 2,951.68, 4,429.54 and 1,911.22 is: 2,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.68 : 4,429.54 = 1,911.22 : x
  2. Step 2: Convert to fraction form
    2,951.68/4,429.54 = 1,911.22/x
  3. Step 3: Cross multiply
    2,951.68x = 4,429.54 × 1,911.22
  4. Step 4: Simplify right side
    2,951.68x = 8,465,825.44
  5. Step 5: Solve for x
    x = 8,465,825.44/2,951.68
  6. Step 6: Final answer
    x = 2,868.14

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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.