Home / 2,531.55-3,793.81-1,296.36

Finding the Fourth Proportional to 2,531.55, 3,793.81 and 1,296.36

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Solution

The fourth proportional to 2,531.55, 3,793.81 and 1,296.36 is: 1,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.55 : 3,793.81 = 1,296.36 : x
  2. Step 2: Convert to fraction form
    2,531.55/3,793.81 = 1,296.36/x
  3. Step 3: Cross multiply
    2,531.55x = 3,793.81 × 1,296.36
  4. Step 4: Simplify right side
    2,531.55x = 4,918,143.53
  5. Step 5: Solve for x
    x = 4,918,143.53/2,531.55
  6. Step 6: Final answer
    x = 1,942.74

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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.