Home / 2,229.81-3,076.12-1,444.11

Finding the Fourth Proportional to 2,229.81, 3,076.12 and 1,444.11

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Solution

The fourth proportional to 2,229.81, 3,076.12 and 1,444.11 is: 1,992.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.81 : 3,076.12 = 1,444.11 : x
  2. Step 2: Convert to fraction form
    2,229.81/3,076.12 = 1,444.11/x
  3. Step 3: Cross multiply
    2,229.81x = 3,076.12 × 1,444.11
  4. Step 4: Simplify right side
    2,229.81x = 4,442,248.43
  5. Step 5: Solve for x
    x = 4,442,248.43/2,229.81
  6. Step 6: Final answer
    x = 1,992.21

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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.