Home / 2,971.10-4,101.36-1,791.92

Finding the Fourth Proportional to 2,971.10, 4,101.36 and 1,791.92

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Solution

The fourth proportional to 2,971.10, 4,101.36 and 1,791.92 is: 2,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.10 : 4,101.36 = 1,791.92 : x
  2. Step 2: Convert to fraction form
    2,971.10/4,101.36 = 1,791.92/x
  3. Step 3: Cross multiply
    2,971.10x = 4,101.36 × 1,791.92
  4. Step 4: Simplify right side
    2,971.10x = 7,349,309.01
  5. Step 5: Solve for x
    x = 7,349,309.01/2,971.10
  6. Step 6: Final answer
    x = 2,473.60

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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.