Home / 2,960.88-4,433.41-1,917.87

Finding the Fourth Proportional to 2,960.88, 4,433.41 and 1,917.87

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Solution

The fourth proportional to 2,960.88, 4,433.41 and 1,917.87 is: 2,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.88 : 4,433.41 = 1,917.87 : x
  2. Step 2: Convert to fraction form
    2,960.88/4,433.41 = 1,917.87/x
  3. Step 3: Cross multiply
    2,960.88x = 4,433.41 × 1,917.87
  4. Step 4: Simplify right side
    2,960.88x = 8,502,704.04
  5. Step 5: Solve for x
    x = 8,502,704.04/2,960.88
  6. Step 6: Final answer
    x = 2,871.68

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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.