Home / 2,486.23-3,432.38-1,491.75

Finding the Fourth Proportional to 2,486.23, 3,432.38 and 1,491.75

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Solution

The fourth proportional to 2,486.23, 3,432.38 and 1,491.75 is: 2,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.23 : 3,432.38 = 1,491.75 : x
  2. Step 2: Convert to fraction form
    2,486.23/3,432.38 = 1,491.75/x
  3. Step 3: Cross multiply
    2,486.23x = 3,432.38 × 1,491.75
  4. Step 4: Simplify right side
    2,486.23x = 5,120,245.41
  5. Step 5: Solve for x
    x = 5,120,245.41/2,486.23
  6. Step 6: Final answer
    x = 2,059.44

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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.