Home / 3,753.65-5,179.91-2,075.03

Finding the Fourth Proportional to 3,753.65, 5,179.91 and 2,075.03

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Solution

The fourth proportional to 3,753.65, 5,179.91 and 2,075.03 is: 2,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.65 : 5,179.91 = 2,075.03 : x
  2. Step 2: Convert to fraction form
    3,753.65/5,179.91 = 2,075.03/x
  3. Step 3: Cross multiply
    3,753.65x = 5,179.91 × 2,075.03
  4. Step 4: Simplify right side
    3,753.65x = 10,748,486.78
  5. Step 5: Solve for x
    x = 10,748,486.78/3,753.65
  6. Step 6: Final answer
    x = 2,863.47

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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.