Home / 2,721.87-4,075.85-1,794.62

Finding the Fourth Proportional to 2,721.87, 4,075.85 and 1,794.62

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Solution

The fourth proportional to 2,721.87, 4,075.85 and 1,794.62 is: 2,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.87 : 4,075.85 = 1,794.62 : x
  2. Step 2: Convert to fraction form
    2,721.87/4,075.85 = 1,794.62/x
  3. Step 3: Cross multiply
    2,721.87x = 4,075.85 × 1,794.62
  4. Step 4: Simplify right side
    2,721.87x = 7,314,616.60
  5. Step 5: Solve for x
    x = 7,314,616.60/2,721.87
  6. Step 6: Final answer
    x = 2,687.35

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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.