Home / 3,454.31-5,180.65-1,697.56

Finding the Fourth Proportional to 3,454.31, 5,180.65 and 1,697.56

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Solution

The fourth proportional to 3,454.31, 5,180.65 and 1,697.56 is: 2,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,454.31 : 5,180.65 = 1,697.56 : x
  2. Step 2: Convert to fraction form
    3,454.31/5,180.65 = 1,697.56/x
  3. Step 3: Cross multiply
    3,454.31x = 5,180.65 × 1,697.56
  4. Step 4: Simplify right side
    3,454.31x = 8,794,447.02
  5. Step 5: Solve for x
    x = 8,794,447.02/3,454.31
  6. Step 6: Final answer
    x = 2,545.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.