Home / 2,163.60-2,984.67-1,323.90

Finding the Fourth Proportional to 2,163.60, 2,984.67 and 1,323.90

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Solution

The fourth proportional to 2,163.60, 2,984.67 and 1,323.90 is: 1,826.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.60 : 2,984.67 = 1,323.90 : x
  2. Step 2: Convert to fraction form
    2,163.60/2,984.67 = 1,323.90/x
  3. Step 3: Cross multiply
    2,163.60x = 2,984.67 × 1,323.90
  4. Step 4: Simplify right side
    2,163.60x = 3,951,404.61
  5. Step 5: Solve for x
    x = 3,951,404.61/2,163.60
  6. Step 6: Final answer
    x = 1,826.31

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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.