Home / 2,826.50-3,900.77-1,567.67

Finding the Fourth Proportional to 2,826.50, 3,900.77 and 1,567.67

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Solution

The fourth proportional to 2,826.50, 3,900.77 and 1,567.67 is: 2,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.50 : 3,900.77 = 1,567.67 : x
  2. Step 2: Convert to fraction form
    2,826.50/3,900.77 = 1,567.67/x
  3. Step 3: Cross multiply
    2,826.50x = 3,900.77 × 1,567.67
  4. Step 4: Simplify right side
    2,826.50x = 6,115,092.76
  5. Step 5: Solve for x
    x = 6,115,092.76/2,826.50
  6. Step 6: Final answer
    x = 2,163.49

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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.