Home / 1,904.14-2,855.06-1,245.22

Finding the Fourth Proportional to 1,904.14, 2,855.06 and 1,245.22

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Solution

The fourth proportional to 1,904.14, 2,855.06 and 1,245.22 is: 1,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.14 : 2,855.06 = 1,245.22 : x
  2. Step 2: Convert to fraction form
    1,904.14/2,855.06 = 1,245.22/x
  3. Step 3: Cross multiply
    1,904.14x = 2,855.06 × 1,245.22
  4. Step 4: Simplify right side
    1,904.14x = 3,555,186.93
  5. Step 5: Solve for x
    x = 3,555,186.93/1,904.14
  6. Step 6: Final answer
    x = 1,867.08

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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.