Home / 3,647.81-5,033.79-2,075.87

Finding the Fourth Proportional to 3,647.81, 5,033.79 and 2,075.87

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Solution

The fourth proportional to 3,647.81, 5,033.79 and 2,075.87 is: 2,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.81 : 5,033.79 = 2,075.87 : x
  2. Step 2: Convert to fraction form
    3,647.81/5,033.79 = 2,075.87/x
  3. Step 3: Cross multiply
    3,647.81x = 5,033.79 × 2,075.87
  4. Step 4: Simplify right side
    3,647.81x = 10,449,493.65
  5. Step 5: Solve for x
    x = 10,449,493.65/3,647.81
  6. Step 6: Final answer
    x = 2,864.59

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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.