Home / 1,881.29-2,819.23-1,057.83

Finding the Fourth Proportional to 1,881.29, 2,819.23 and 1,057.83

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Solution

The fourth proportional to 1,881.29, 2,819.23 and 1,057.83 is: 1,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.29 : 2,819.23 = 1,057.83 : x
  2. Step 2: Convert to fraction form
    1,881.29/2,819.23 = 1,057.83/x
  3. Step 3: Cross multiply
    1,881.29x = 2,819.23 × 1,057.83
  4. Step 4: Simplify right side
    1,881.29x = 2,982,266.07
  5. Step 5: Solve for x
    x = 2,982,266.07/1,881.29
  6. Step 6: Final answer
    x = 1,585.23

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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.