Home / 2,623.89-3,936.23-1,635.90

Finding the Fourth Proportional to 2,623.89, 3,936.23 and 1,635.90

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Solution

The fourth proportional to 2,623.89, 3,936.23 and 1,635.90 is: 2,454.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.89 : 3,936.23 = 1,635.90 : x
  2. Step 2: Convert to fraction form
    2,623.89/3,936.23 = 1,635.90/x
  3. Step 3: Cross multiply
    2,623.89x = 3,936.23 × 1,635.90
  4. Step 4: Simplify right side
    2,623.89x = 6,439,270.48
  5. Step 5: Solve for x
    x = 6,439,270.48/2,623.89
  6. Step 6: Final answer
    x = 2,454.09

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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.