Home / 4,191.92-6,289.52-1,881.80

Finding the Fourth Proportional to 4,191.92, 6,289.52 and 1,881.80

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Solution

The fourth proportional to 4,191.92, 6,289.52 and 1,881.80 is: 2,823.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.92 : 6,289.52 = 1,881.80 : x
  2. Step 2: Convert to fraction form
    4,191.92/6,289.52 = 1,881.80/x
  3. Step 3: Cross multiply
    4,191.92x = 6,289.52 × 1,881.80
  4. Step 4: Simplify right side
    4,191.92x = 11,835,618.74
  5. Step 5: Solve for x
    x = 11,835,618.74/4,191.92
  6. Step 6: Final answer
    x = 2,823.44

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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.