Home / 2,299.30-3,172.09-1,601.08

Finding the Fourth Proportional to 2,299.30, 3,172.09 and 1,601.08

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Solution

The fourth proportional to 2,299.30, 3,172.09 and 1,601.08 is: 2,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.30 : 3,172.09 = 1,601.08 : x
  2. Step 2: Convert to fraction form
    2,299.30/3,172.09 = 1,601.08/x
  3. Step 3: Cross multiply
    2,299.30x = 3,172.09 × 1,601.08
  4. Step 4: Simplify right side
    2,299.30x = 5,078,769.86
  5. Step 5: Solve for x
    x = 5,078,769.86/2,299.30
  6. Step 6: Final answer
    x = 2,208.83

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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.