Home / 3,370.66-4,653.21-2,112.43

Finding the Fourth Proportional to 3,370.66, 4,653.21 and 2,112.43

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Solution

The fourth proportional to 3,370.66, 4,653.21 and 2,112.43 is: 2,916.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.66 : 4,653.21 = 2,112.43 : x
  2. Step 2: Convert to fraction form
    3,370.66/4,653.21 = 2,112.43/x
  3. Step 3: Cross multiply
    3,370.66x = 4,653.21 × 2,112.43
  4. Step 4: Simplify right side
    3,370.66x = 9,829,580.40
  5. Step 5: Solve for x
    x = 9,829,580.40/3,370.66
  6. Step 6: Final answer
    x = 2,916.22

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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.