Home / 2,881.13-3,976.23-1,886.94

Finding the Fourth Proportional to 2,881.13, 3,976.23 and 1,886.94

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Solution

The fourth proportional to 2,881.13, 3,976.23 and 1,886.94 is: 2,604.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.13 : 3,976.23 = 1,886.94 : x
  2. Step 2: Convert to fraction form
    2,881.13/3,976.23 = 1,886.94/x
  3. Step 3: Cross multiply
    2,881.13x = 3,976.23 × 1,886.94
  4. Step 4: Simplify right side
    2,881.13x = 7,502,907.44
  5. Step 5: Solve for x
    x = 7,502,907.44/2,881.13
  6. Step 6: Final answer
    x = 2,604.16

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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.