Home / 2,960.49-4,080.92-2,213.31

Finding the Fourth Proportional to 2,960.49, 4,080.92 and 2,213.31

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Solution

The fourth proportional to 2,960.49, 4,080.92 and 2,213.31 is: 3,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960.49 : 4,080.92 = 2,213.31 : x
  2. Step 2: Convert to fraction form
    2,960.49/4,080.92 = 2,213.31/x
  3. Step 3: Cross multiply
    2,960.49x = 4,080.92 × 2,213.31
  4. Step 4: Simplify right side
    2,960.49x = 9,032,329.98
  5. Step 5: Solve for x
    x = 9,032,329.98/2,960.49
  6. Step 6: Final answer
    x = 3,050.96

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1.5x scale

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.