Home / 2,842.32-3,919.80-1,884.84

Finding the Fourth Proportional to 2,842.32, 3,919.80 and 1,884.84

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Solution

The fourth proportional to 2,842.32, 3,919.80 and 1,884.84 is: 2,599.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.32 : 3,919.80 = 1,884.84 : x
  2. Step 2: Convert to fraction form
    2,842.32/3,919.80 = 1,884.84/x
  3. Step 3: Cross multiply
    2,842.32x = 3,919.80 × 1,884.84
  4. Step 4: Simplify right side
    2,842.32x = 7,388,195.83
  5. Step 5: Solve for x
    x = 7,388,195.83/2,842.32
  6. Step 6: Final answer
    x = 2,599.35

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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.