Home / 2,239.52-3,090.48-1,294.64

Finding the Fourth Proportional to 2,239.52, 3,090.48 and 1,294.64

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Solution

The fourth proportional to 2,239.52, 3,090.48 and 1,294.64 is: 1,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.52 : 3,090.48 = 1,294.64 : x
  2. Step 2: Convert to fraction form
    2,239.52/3,090.48 = 1,294.64/x
  3. Step 3: Cross multiply
    2,239.52x = 3,090.48 × 1,294.64
  4. Step 4: Simplify right side
    2,239.52x = 4,001,059.03
  5. Step 5: Solve for x
    x = 4,001,059.03/2,239.52
  6. Step 6: Final answer
    x = 1,786.57

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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.