Home / 2,813.19-3,881.89-1,634.03

Finding the Fourth Proportional to 2,813.19, 3,881.89 and 1,634.03

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Solution

The fourth proportional to 2,813.19, 3,881.89 and 1,634.03 is: 2,254.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.19 : 3,881.89 = 1,634.03 : x
  2. Step 2: Convert to fraction form
    2,813.19/3,881.89 = 1,634.03/x
  3. Step 3: Cross multiply
    2,813.19x = 3,881.89 × 1,634.03
  4. Step 4: Simplify right side
    2,813.19x = 6,343,124.72
  5. Step 5: Solve for x
    x = 6,343,124.72/2,813.19
  6. Step 6: Final answer
    x = 2,254.78

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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.