Home / 2,974.45-4,461.72-1,126.44

Finding the Fourth Proportional to 2,974.45, 4,461.72 and 1,126.44

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Solution

The fourth proportional to 2,974.45, 4,461.72 and 1,126.44 is: 1,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.45 : 4,461.72 = 1,126.44 : x
  2. Step 2: Convert to fraction form
    2,974.45/4,461.72 = 1,126.44/x
  3. Step 3: Cross multiply
    2,974.45x = 4,461.72 × 1,126.44
  4. Step 4: Simplify right side
    2,974.45x = 5,025,859.88
  5. Step 5: Solve for x
    x = 5,025,859.88/2,974.45
  6. Step 6: Final answer
    x = 1,689.68

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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.