Home / 2,219.26-3,075.52-2,187.94

Finding the Fourth Proportional to 2,219.26, 3,075.52 and 2,187.94

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Solution

The fourth proportional to 2,219.26, 3,075.52 and 2,187.94 is: 3,032.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.26 : 3,075.52 = 2,187.94 : x
  2. Step 2: Convert to fraction form
    2,219.26/3,075.52 = 2,187.94/x
  3. Step 3: Cross multiply
    2,219.26x = 3,075.52 × 2,187.94
  4. Step 4: Simplify right side
    2,219.26x = 6,729,048.27
  5. Step 5: Solve for x
    x = 6,729,048.27/2,219.26
  6. Step 6: Final answer
    x = 3,032.12

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.