Home / 3,493.26-4,820.32-1,921.06

Finding the Fourth Proportional to 3,493.26, 4,820.32 and 1,921.06

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Solution

The fourth proportional to 3,493.26, 4,820.32 and 1,921.06 is: 2,650.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.26 : 4,820.32 = 1,921.06 : x
  2. Step 2: Convert to fraction form
    3,493.26/4,820.32 = 1,921.06/x
  3. Step 3: Cross multiply
    3,493.26x = 4,820.32 × 1,921.06
  4. Step 4: Simplify right side
    3,493.26x = 9,260,123.94
  5. Step 5: Solve for x
    x = 9,260,123.94/3,493.26
  6. Step 6: Final answer
    x = 2,650.85

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1.5x scale

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.