Home / 3,490.41-5,234.57-1,268.96

Finding the Fourth Proportional to 3,490.41, 5,234.57 and 1,268.96

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Solution

The fourth proportional to 3,490.41, 5,234.57 and 1,268.96 is: 1,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.41 : 5,234.57 = 1,268.96 : x
  2. Step 2: Convert to fraction form
    3,490.41/5,234.57 = 1,268.96/x
  3. Step 3: Cross multiply
    3,490.41x = 5,234.57 × 1,268.96
  4. Step 4: Simplify right side
    3,490.41x = 6,642,427.43
  5. Step 5: Solve for x
    x = 6,642,427.43/3,490.41
  6. Step 6: Final answer
    x = 1,903.05

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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.