Home / 3,753.76-5,179.97-2,075.07

Finding the Fourth Proportional to 3,753.76, 5,179.97 and 2,075.07

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Solution

The fourth proportional to 3,753.76, 5,179.97 and 2,075.07 is: 2,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.76 : 5,179.97 = 2,075.07 : x
  2. Step 2: Convert to fraction form
    3,753.76/5,179.97 = 2,075.07/x
  3. Step 3: Cross multiply
    3,753.76x = 5,179.97 × 2,075.07
  4. Step 4: Simplify right side
    3,753.76x = 10,748,764.07
  5. Step 5: Solve for x
    x = 10,748,764.07/3,753.76
  6. Step 6: Final answer
    x = 2,863.47

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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.