Home / 3,922.60-5,879.58-1,612.84

Finding the Fourth Proportional to 3,922.60, 5,879.58 and 1,612.84

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Solution

The fourth proportional to 3,922.60, 5,879.58 and 1,612.84 is: 2,417.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.60 : 5,879.58 = 1,612.84 : x
  2. Step 2: Convert to fraction form
    3,922.60/5,879.58 = 1,612.84/x
  3. Step 3: Cross multiply
    3,922.60x = 5,879.58 × 1,612.84
  4. Step 4: Simplify right side
    3,922.60x = 9,482,821.81
  5. Step 5: Solve for x
    x = 9,482,821.81/3,922.60
  6. Step 6: Final answer
    x = 2,417.48

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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.