Home / 3,619.58-4,994.75-2,047.78

Finding the Fourth Proportional to 3,619.58, 4,994.75 and 2,047.78

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Solution

The fourth proportional to 3,619.58, 4,994.75 and 2,047.78 is: 2,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.58 : 4,994.75 = 2,047.78 : x
  2. Step 2: Convert to fraction form
    3,619.58/4,994.75 = 2,047.78/x
  3. Step 3: Cross multiply
    3,619.58x = 4,994.75 × 2,047.78
  4. Step 4: Simplify right side
    3,619.58x = 10,228,113.94
  5. Step 5: Solve for x
    x = 10,228,113.94/3,619.58
  6. Step 6: Final answer
    x = 2,825.77

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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.