Home / 1,856.68-2,556.39-1,576.36

Finding the Fourth Proportional to 1,856.68, 2,556.39 and 1,576.36

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Solution

The fourth proportional to 1,856.68, 2,556.39 and 1,576.36 is: 2,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.68 : 2,556.39 = 1,576.36 : x
  2. Step 2: Convert to fraction form
    1,856.68/2,556.39 = 1,576.36/x
  3. Step 3: Cross multiply
    1,856.68x = 2,556.39 × 1,576.36
  4. Step 4: Simplify right side
    1,856.68x = 4,029,790.94
  5. Step 5: Solve for x
    x = 4,029,790.94/1,856.68
  6. Step 6: Final answer
    x = 2,170.43

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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.