Home / 1,881.36-2,819.75-1,060.43

Finding the Fourth Proportional to 1,881.36, 2,819.75 and 1,060.43

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Solution

The fourth proportional to 1,881.36, 2,819.75 and 1,060.43 is: 1,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.36 : 2,819.75 = 1,060.43 : x
  2. Step 2: Convert to fraction form
    1,881.36/2,819.75 = 1,060.43/x
  3. Step 3: Cross multiply
    1,881.36x = 2,819.75 × 1,060.43
  4. Step 4: Simplify right side
    1,881.36x = 2,990,128.09
  5. Step 5: Solve for x
    x = 2,990,128.09/1,881.36
  6. Step 6: Final answer
    x = 1,589.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.