Home / 2,107.31-2,908.04-1,163.19

Finding the Fourth Proportional to 2,107.31, 2,908.04 and 1,163.19

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Solution

The fourth proportional to 2,107.31, 2,908.04 and 1,163.19 is: 1,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.31 : 2,908.04 = 1,163.19 : x
  2. Step 2: Convert to fraction form
    2,107.31/2,908.04 = 1,163.19/x
  3. Step 3: Cross multiply
    2,107.31x = 2,908.04 × 1,163.19
  4. Step 4: Simplify right side
    2,107.31x = 3,382,601.59
  5. Step 5: Solve for x
    x = 3,382,601.59/2,107.31
  6. Step 6: Final answer
    x = 1,605.18

Related Problems

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Half scale
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Double scale
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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.