Home / 2,620.12-3,616.94-1,626.76

Finding the Fourth Proportional to 2,620.12, 3,616.94 and 1,626.76

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Solution

The fourth proportional to 2,620.12, 3,616.94 and 1,626.76 is: 2,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.12 : 3,616.94 = 1,626.76 : x
  2. Step 2: Convert to fraction form
    2,620.12/3,616.94 = 1,626.76/x
  3. Step 3: Cross multiply
    2,620.12x = 3,616.94 × 1,626.76
  4. Step 4: Simplify right side
    2,620.12x = 5,883,893.31
  5. Step 5: Solve for x
    x = 5,883,893.31/2,620.12
  6. Step 6: Final answer
    x = 2,245.66

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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.