Home / 2,826.43-3,900.68-1,567.61

Finding the Fourth Proportional to 2,826.43, 3,900.68 and 1,567.61

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Solution

The fourth proportional to 2,826.43, 3,900.68 and 1,567.61 is: 2,163.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.43 : 3,900.68 = 1,567.61 : x
  2. Step 2: Convert to fraction form
    2,826.43/3,900.68 = 1,567.61/x
  3. Step 3: Cross multiply
    2,826.43x = 3,900.68 × 1,567.61
  4. Step 4: Simplify right side
    2,826.43x = 6,114,722.51
  5. Step 5: Solve for x
    x = 6,114,722.51/2,826.43
  6. Step 6: Final answer
    x = 2,163.41

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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.