Home / 2,238.06-3,088.70-1,243.51

Finding the Fourth Proportional to 2,238.06, 3,088.70 and 1,243.51

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Solution

The fourth proportional to 2,238.06, 3,088.70 and 1,243.51 is: 1,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.06 : 3,088.70 = 1,243.51 : x
  2. Step 2: Convert to fraction form
    2,238.06/3,088.70 = 1,243.51/x
  3. Step 3: Cross multiply
    2,238.06x = 3,088.70 × 1,243.51
  4. Step 4: Simplify right side
    2,238.06x = 3,840,831.64
  5. Step 5: Solve for x
    x = 3,840,831.64/2,238.06
  6. Step 6: Final answer
    x = 1,716.15

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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.