Home / 2,224.18-3,335.79-1,431.16

Finding the Fourth Proportional to 2,224.18, 3,335.79 and 1,431.16

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Solution

The fourth proportional to 2,224.18, 3,335.79 and 1,431.16 is: 2,146.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,224.18 : 3,335.79 = 1,431.16 : x
  2. Step 2: Convert to fraction form
    2,224.18/3,335.79 = 1,431.16/x
  3. Step 3: Cross multiply
    2,224.18x = 3,335.79 × 1,431.16
  4. Step 4: Simplify right side
    2,224.18x = 4,774,040.88
  5. Step 5: Solve for x
    x = 4,774,040.88/2,224.18
  6. Step 6: Final answer
    x = 2,146.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.