Home / 2,847.27-4,263.71-1,921.83

Finding the Fourth Proportional to 2,847.27, 4,263.71 and 1,921.83

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Solution

The fourth proportional to 2,847.27, 4,263.71 and 1,921.83 is: 2,877.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.27 : 4,263.71 = 1,921.83 : x
  2. Step 2: Convert to fraction form
    2,847.27/4,263.71 = 1,921.83/x
  3. Step 3: Cross multiply
    2,847.27x = 4,263.71 × 1,921.83
  4. Step 4: Simplify right side
    2,847.27x = 8,194,116.18
  5. Step 5: Solve for x
    x = 8,194,116.18/2,847.27
  6. Step 6: Final answer
    x = 2,877.89

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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.