Home / 2,489.78-3,432.26-1,741.41

Finding the Fourth Proportional to 2,489.78, 3,432.26 and 1,741.41

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Solution

The fourth proportional to 2,489.78, 3,432.26 and 1,741.41 is: 2,400.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.78 : 3,432.26 = 1,741.41 : x
  2. Step 2: Convert to fraction form
    2,489.78/3,432.26 = 1,741.41/x
  3. Step 3: Cross multiply
    2,489.78x = 3,432.26 × 1,741.41
  4. Step 4: Simplify right side
    2,489.78x = 5,976,971.89
  5. Step 5: Solve for x
    x = 5,976,971.89/2,489.78
  6. Step 6: Final answer
    x = 2,400.60

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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.