Home / 2,310.73-3,188.94-1,426.55

Finding the Fourth Proportional to 2,310.73, 3,188.94 and 1,426.55

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Solution

The fourth proportional to 2,310.73, 3,188.94 and 1,426.55 is: 1,968.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.73 : 3,188.94 = 1,426.55 : x
  2. Step 2: Convert to fraction form
    2,310.73/3,188.94 = 1,426.55/x
  3. Step 3: Cross multiply
    2,310.73x = 3,188.94 × 1,426.55
  4. Step 4: Simplify right side
    2,310.73x = 4,549,161.06
  5. Step 5: Solve for x
    x = 4,549,161.06/2,310.73
  6. Step 6: Final answer
    x = 1,968.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.