Home / 3,131.41-4,699.95-2,299.54

Finding the Fourth Proportional to 3,131.41, 4,699.95 and 2,299.54

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Solution

The fourth proportional to 3,131.41, 4,699.95 and 2,299.54 is: 3,451.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.41 : 4,699.95 = 2,299.54 : x
  2. Step 2: Convert to fraction form
    3,131.41/4,699.95 = 2,299.54/x
  3. Step 3: Cross multiply
    3,131.41x = 4,699.95 × 2,299.54
  4. Step 4: Simplify right side
    3,131.41x = 10,807,723.02
  5. Step 5: Solve for x
    x = 10,807,723.02/3,131.41
  6. Step 6: Final answer
    x = 3,451.39

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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.