Home / 3,453.90-4,766.50-1,961.77

Finding the Fourth Proportional to 3,453.90, 4,766.50 and 1,961.77

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Solution

The fourth proportional to 3,453.90, 4,766.50 and 1,961.77 is: 2,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.90 : 4,766.50 = 1,961.77 : x
  2. Step 2: Convert to fraction form
    3,453.90/4,766.50 = 1,961.77/x
  3. Step 3: Cross multiply
    3,453.90x = 4,766.50 × 1,961.77
  4. Step 4: Simplify right side
    3,453.90x = 9,350,767.24
  5. Step 5: Solve for x
    x = 9,350,767.24/3,453.90
  6. Step 6: Final answer
    x = 2,707.31

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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.