Home / 2,731.08-4,090.44-2,239.02

Finding the Fourth Proportional to 2,731.08, 4,090.44 and 2,239.02

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Solution

The fourth proportional to 2,731.08, 4,090.44 and 2,239.02 is: 3,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.08 : 4,090.44 = 2,239.02 : x
  2. Step 2: Convert to fraction form
    2,731.08/4,090.44 = 2,239.02/x
  3. Step 3: Cross multiply
    2,731.08x = 4,090.44 × 2,239.02
  4. Step 4: Simplify right side
    2,731.08x = 9,158,576.97
  5. Step 5: Solve for x
    x = 9,158,576.97/2,731.08
  6. Step 6: Final answer
    x = 3,353.46

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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.