Home / 2,107.04-3,172.82-1,563.08

Finding the Fourth Proportional to 2,107.04, 3,172.82 and 1,563.08

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Solution

The fourth proportional to 2,107.04, 3,172.82 and 1,563.08 is: 2,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.04 : 3,172.82 = 1,563.08 : x
  2. Step 2: Convert to fraction form
    2,107.04/3,172.82 = 1,563.08/x
  3. Step 3: Cross multiply
    2,107.04x = 3,172.82 × 1,563.08
  4. Step 4: Simplify right side
    2,107.04x = 4,959,371.49
  5. Step 5: Solve for x
    x = 4,959,371.49/2,107.04
  6. Step 6: Final answer
    x = 2,353.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.