Home / 2,601.99-3,893.67-2,428.20

Finding the Fourth Proportional to 2,601.99, 3,893.67 and 2,428.20

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Solution

The fourth proportional to 2,601.99, 3,893.67 and 2,428.20 is: 3,633.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.99 : 3,893.67 = 2,428.20 : x
  2. Step 2: Convert to fraction form
    2,601.99/3,893.67 = 2,428.20/x
  3. Step 3: Cross multiply
    2,601.99x = 3,893.67 × 2,428.20
  4. Step 4: Simplify right side
    2,601.99x = 9,454,609.49
  5. Step 5: Solve for x
    x = 9,454,609.49/2,601.99
  6. Step 6: Final answer
    x = 3,633.61

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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.