Home / 3,620.75-5,000.96-2,439.77

Finding the Fourth Proportional to 3,620.75, 5,000.96 and 2,439.77

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Solution

The fourth proportional to 3,620.75, 5,000.96 and 2,439.77 is: 3,369.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.75 : 5,000.96 = 2,439.77 : x
  2. Step 2: Convert to fraction form
    3,620.75/5,000.96 = 2,439.77/x
  3. Step 3: Cross multiply
    3,620.75x = 5,000.96 × 2,439.77
  4. Step 4: Simplify right side
    3,620.75x = 12,201,192.18
  5. Step 5: Solve for x
    x = 12,201,192.18/3,620.75
  6. Step 6: Final answer
    x = 3,369.80

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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.