Home / 2,245.46-3,371.16-1,918.49

Finding the Fourth Proportional to 2,245.46, 3,371.16 and 1,918.49

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Solution

The fourth proportional to 2,245.46, 3,371.16 and 1,918.49 is: 2,880.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,245.46 : 3,371.16 = 1,918.49 : x
  2. Step 2: Convert to fraction form
    2,245.46/3,371.16 = 1,918.49/x
  3. Step 3: Cross multiply
    2,245.46x = 3,371.16 × 1,918.49
  4. Step 4: Simplify right side
    2,245.46x = 6,467,551.67
  5. Step 5: Solve for x
    x = 6,467,551.67/2,245.46
  6. Step 6: Final answer
    x = 2,880.28

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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.