Home / 3,298.09-4,940.73-2,947.57

Finding the Fourth Proportional to 3,298.09, 4,940.73 and 2,947.57

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Solution

The fourth proportional to 3,298.09, 4,940.73 and 2,947.57 is: 4,415.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.09 : 4,940.73 = 2,947.57 : x
  2. Step 2: Convert to fraction form
    3,298.09/4,940.73 = 2,947.57/x
  3. Step 3: Cross multiply
    3,298.09x = 4,940.73 × 2,947.57
  4. Step 4: Simplify right side
    3,298.09x = 14,563,147.53
  5. Step 5: Solve for x
    x = 14,563,147.53/3,298.09
  6. Step 6: Final answer
    x = 4,415.63

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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.