Home / 2,672.60-4,011.78-1,906.52

Finding the Fourth Proportional to 2,672.60, 4,011.78 and 1,906.52

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Solution

The fourth proportional to 2,672.60, 4,011.78 and 1,906.52 is: 2,861.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672.60 : 4,011.78 = 1,906.52 : x
  2. Step 2: Convert to fraction form
    2,672.60/4,011.78 = 1,906.52/x
  3. Step 3: Cross multiply
    2,672.60x = 4,011.78 × 1,906.52
  4. Step 4: Simplify right side
    2,672.60x = 7,648,538.81
  5. Step 5: Solve for x
    x = 7,648,538.81/2,672.60
  6. Step 6: Final answer
    x = 2,861.83

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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.