Home / 3,074.22-4,240.17-1,954.20

Finding the Fourth Proportional to 3,074.22, 4,240.17 and 1,954.20

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Solution

The fourth proportional to 3,074.22, 4,240.17 and 1,954.20 is: 2,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.22 : 4,240.17 = 1,954.20 : x
  2. Step 2: Convert to fraction form
    3,074.22/4,240.17 = 1,954.20/x
  3. Step 3: Cross multiply
    3,074.22x = 4,240.17 × 1,954.20
  4. Step 4: Simplify right side
    3,074.22x = 8,286,140.21
  5. Step 5: Solve for x
    x = 8,286,140.21/3,074.22
  6. Step 6: Final answer
    x = 2,695.36

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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.