Home / 3,922.12-5,880.80-1,842.75

Finding the Fourth Proportional to 3,922.12, 5,880.80 and 1,842.75

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Solution

The fourth proportional to 3,922.12, 5,880.80 and 1,842.75 is: 2,763.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.12 : 5,880.80 = 1,842.75 : x
  2. Step 2: Convert to fraction form
    3,922.12/5,880.80 = 1,842.75/x
  3. Step 3: Cross multiply
    3,922.12x = 5,880.80 × 1,842.75
  4. Step 4: Simplify right side
    3,922.12x = 10,836,848.81
  5. Step 5: Solve for x
    x = 10,836,848.81/3,922.12
  6. Step 6: Final answer
    x = 2,763.01

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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.