Home / 3,753.21-5,179.41-2,074.74

Finding the Fourth Proportional to 3,753.21, 5,179.41 and 2,074.74

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Solution

The fourth proportional to 3,753.21, 5,179.41 and 2,074.74 is: 2,863.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.21 : 5,179.41 = 2,074.74 : x
  2. Step 2: Convert to fraction form
    3,753.21/5,179.41 = 2,074.74/x
  3. Step 3: Cross multiply
    3,753.21x = 5,179.41 × 2,074.74
  4. Step 4: Simplify right side
    3,753.21x = 10,745,929.10
  5. Step 5: Solve for x
    x = 10,745,929.10/3,753.21
  6. Step 6: Final answer
    x = 2,863.13

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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.