Home / 2,238-3,088.44-1,306.68

Finding the Fourth Proportional to 2,238, 3,088.44 and 1,306.68

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Solution

The fourth proportional to 2,238, 3,088.44 and 1,306.68 is: 1,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238 : 3,088.44 = 1,306.68 : x
  2. Step 2: Convert to fraction form
    2,238/3,088.44 = 1,306.68/x
  3. Step 3: Cross multiply
    2,238x = 3,088.44 × 1,306.68
  4. Step 4: Simplify right side
    2,238x = 4,035,602.78
  5. Step 5: Solve for x
    x = 4,035,602.78/2,238
  6. Step 6: Final answer
    x = 1,803.22

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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.