Home / 2,219.54-3,329.96-1,873.71

Finding the Fourth Proportional to 2,219.54, 3,329.96 and 1,873.71

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Solution

The fourth proportional to 2,219.54, 3,329.96 and 1,873.71 is: 2,811.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.54 : 3,329.96 = 1,873.71 : x
  2. Step 2: Convert to fraction form
    2,219.54/3,329.96 = 1,873.71/x
  3. Step 3: Cross multiply
    2,219.54x = 3,329.96 × 1,873.71
  4. Step 4: Simplify right side
    2,219.54x = 6,239,369.98
  5. Step 5: Solve for x
    x = 6,239,369.98/2,219.54
  6. Step 6: Final answer
    x = 2,811.12

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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.