Home / 3,491.22-5,234.65-1,298.15

Finding the Fourth Proportional to 3,491.22, 5,234.65 and 1,298.15

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Solution

The fourth proportional to 3,491.22, 5,234.65 and 1,298.15 is: 1,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.22 : 5,234.65 = 1,298.15 : x
  2. Step 2: Convert to fraction form
    3,491.22/5,234.65 = 1,298.15/x
  3. Step 3: Cross multiply
    3,491.22x = 5,234.65 × 1,298.15
  4. Step 4: Simplify right side
    3,491.22x = 6,795,360.90
  5. Step 5: Solve for x
    x = 6,795,360.90/3,491.22
  6. Step 6: Final answer
    x = 1,946.41

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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.