Home / 2,974.26-4,458.18-2,820.44

Finding the Fourth Proportional to 2,974.26, 4,458.18 and 2,820.44

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Solution

The fourth proportional to 2,974.26, 4,458.18 and 2,820.44 is: 4,227.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.26 : 4,458.18 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    2,974.26/4,458.18 = 2,820.44/x
  3. Step 3: Cross multiply
    2,974.26x = 4,458.18 × 2,820.44
  4. Step 4: Simplify right side
    2,974.26x = 12,574,029.20
  5. Step 5: Solve for x
    x = 12,574,029.20/2,974.26
  6. Step 6: Final answer
    x = 4,227.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.