Home / 2,525.45-3,789.39-1,904.79

Finding the Fourth Proportional to 2,525.45, 3,789.39 and 1,904.79

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Solution

The fourth proportional to 2,525.45, 3,789.39 and 1,904.79 is: 2,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.45 : 3,789.39 = 1,904.79 : x
  2. Step 2: Convert to fraction form
    2,525.45/3,789.39 = 1,904.79/x
  3. Step 3: Cross multiply
    2,525.45x = 3,789.39 × 1,904.79
  4. Step 4: Simplify right side
    2,525.45x = 7,217,992.18
  5. Step 5: Solve for x
    x = 7,217,992.18/2,525.45
  6. Step 6: Final answer
    x = 2,858.11

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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.