Home / 2,238.03-3,088.19-1,243.22

Finding the Fourth Proportional to 2,238.03, 3,088.19 and 1,243.22

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Solution

The fourth proportional to 2,238.03, 3,088.19 and 1,243.22 is: 1,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.03 : 3,088.19 = 1,243.22 : x
  2. Step 2: Convert to fraction form
    2,238.03/3,088.19 = 1,243.22/x
  3. Step 3: Cross multiply
    2,238.03x = 3,088.19 × 1,243.22
  4. Step 4: Simplify right side
    2,238.03x = 3,839,287.24
  5. Step 5: Solve for x
    x = 3,839,287.24/2,238.03
  6. Step 6: Final answer
    x = 1,715.48

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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.