Home / 2,173.26-2,998.98-1,229.16

Finding the Fourth Proportional to 2,173.26, 2,998.98 and 1,229.16

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Solution

The fourth proportional to 2,173.26, 2,998.98 and 1,229.16 is: 1,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173.26 : 2,998.98 = 1,229.16 : x
  2. Step 2: Convert to fraction form
    2,173.26/2,998.98 = 1,229.16/x
  3. Step 3: Cross multiply
    2,173.26x = 2,998.98 × 1,229.16
  4. Step 4: Simplify right side
    2,173.26x = 3,686,226.26
  5. Step 5: Solve for x
    x = 3,686,226.26/2,173.26
  6. Step 6: Final answer
    x = 1,696.17

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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.