Home / 2,842.44-3,924.48-1,780.62

Finding the Fourth Proportional to 2,842.44, 3,924.48 and 1,780.62

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Solution

The fourth proportional to 2,842.44, 3,924.48 and 1,780.62 is: 2,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.44 : 3,924.48 = 1,780.62 : x
  2. Step 2: Convert to fraction form
    2,842.44/3,924.48 = 1,780.62/x
  3. Step 3: Cross multiply
    2,842.44x = 3,924.48 × 1,780.62
  4. Step 4: Simplify right side
    2,842.44x = 6,988,007.58
  5. Step 5: Solve for x
    x = 6,988,007.58/2,842.44
  6. Step 6: Final answer
    x = 2,458.45

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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.