Home / 2,971.94-4,103.19-1,910.18

Finding the Fourth Proportional to 2,971.94, 4,103.19 and 1,910.18

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Solution

The fourth proportional to 2,971.94, 4,103.19 and 1,910.18 is: 2,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.94 : 4,103.19 = 1,910.18 : x
  2. Step 2: Convert to fraction form
    2,971.94/4,103.19 = 1,910.18/x
  3. Step 3: Cross multiply
    2,971.94x = 4,103.19 × 1,910.18
  4. Step 4: Simplify right side
    2,971.94x = 7,837,810.96
  5. Step 5: Solve for x
    x = 7,837,810.96/2,971.94
  6. Step 6: Final answer
    x = 2,637.28

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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.