Home / 3,647.61-5,034.03-2,075.79

Finding the Fourth Proportional to 3,647.61, 5,034.03 and 2,075.79

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Solution

The fourth proportional to 3,647.61, 5,034.03 and 2,075.79 is: 2,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.61 : 5,034.03 = 2,075.79 : x
  2. Step 2: Convert to fraction form
    3,647.61/5,034.03 = 2,075.79/x
  3. Step 3: Cross multiply
    3,647.61x = 5,034.03 × 2,075.79
  4. Step 4: Simplify right side
    3,647.61x = 10,449,589.13
  5. Step 5: Solve for x
    x = 10,449,589.13/3,647.61
  6. Step 6: Final answer
    x = 2,864.78

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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.