Home / 3,753.77-5,179.79-2,075.10

Finding the Fourth Proportional to 3,753.77, 5,179.79 and 2,075.10

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Solution

The fourth proportional to 3,753.77, 5,179.79 and 2,075.10 is: 2,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.77 : 5,179.79 = 2,075.10 : x
  2. Step 2: Convert to fraction form
    3,753.77/5,179.79 = 2,075.10/x
  3. Step 3: Cross multiply
    3,753.77x = 5,179.79 × 2,075.10
  4. Step 4: Simplify right side
    3,753.77x = 10,748,571.85
  5. Step 5: Solve for x
    x = 10,748,571.85/3,753.77
  6. Step 6: Final answer
    x = 2,863.41

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1.5x scale

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.