Home / 2,239.09-3,089.66-1,244.30

Finding the Fourth Proportional to 2,239.09, 3,089.66 and 1,244.30

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Solution

The fourth proportional to 2,239.09, 3,089.66 and 1,244.30 is: 1,716.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.09 : 3,089.66 = 1,244.30 : x
  2. Step 2: Convert to fraction form
    2,239.09/3,089.66 = 1,244.30/x
  3. Step 3: Cross multiply
    2,239.09x = 3,089.66 × 1,244.30
  4. Step 4: Simplify right side
    2,239.09x = 3,844,448.49
  5. Step 5: Solve for x
    x = 3,844,448.49/2,239.09
  6. Step 6: Final answer
    x = 1,716.97

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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.