Home / 3,922.12-5,883.26-1,612.20

Finding the Fourth Proportional to 3,922.12, 5,883.26 and 1,612.20

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Solution

The fourth proportional to 3,922.12, 5,883.26 and 1,612.20 is: 2,418.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.12 : 5,883.26 = 1,612.20 : x
  2. Step 2: Convert to fraction form
    3,922.12/5,883.26 = 1,612.20/x
  3. Step 3: Cross multiply
    3,922.12x = 5,883.26 × 1,612.20
  4. Step 4: Simplify right side
    3,922.12x = 9,484,991.77
  5. Step 5: Solve for x
    x = 9,484,991.77/3,922.12
  6. Step 6: Final answer
    x = 2,418.33

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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.