Home / 2,526.12-3,789.99-1,485.90

Finding the Fourth Proportional to 2,526.12, 3,789.99 and 1,485.90

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Solution

The fourth proportional to 2,526.12, 3,789.99 and 1,485.90 is: 2,229.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.12 : 3,789.99 = 1,485.90 : x
  2. Step 2: Convert to fraction form
    2,526.12/3,789.99 = 1,485.90/x
  3. Step 3: Cross multiply
    2,526.12x = 3,789.99 × 1,485.90
  4. Step 4: Simplify right side
    2,526.12x = 5,631,546.14
  5. Step 5: Solve for x
    x = 5,631,546.14/2,526.12
  6. Step 6: Final answer
    x = 2,229.33

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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.