Home / 2,971.47-4,092.35-2,296.79

Finding the Fourth Proportional to 2,971.47, 4,092.35 and 2,296.79

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Solution

The fourth proportional to 2,971.47, 4,092.35 and 2,296.79 is: 3,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.47 : 4,092.35 = 2,296.79 : x
  2. Step 2: Convert to fraction form
    2,971.47/4,092.35 = 2,296.79/x
  3. Step 3: Cross multiply
    2,971.47x = 4,092.35 × 2,296.79
  4. Step 4: Simplify right side
    2,971.47x = 9,399,260.69
  5. Step 5: Solve for x
    x = 9,399,260.69/2,971.47
  6. Step 6: Final answer
    x = 3,163.17

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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.