Home / 3,090.62-4,265.61-1,896.05

Finding the Fourth Proportional to 3,090.62, 4,265.61 and 1,896.05

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Solution

The fourth proportional to 3,090.62, 4,265.61 and 1,896.05 is: 2,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.62 : 4,265.61 = 1,896.05 : x
  2. Step 2: Convert to fraction form
    3,090.62/4,265.61 = 1,896.05/x
  3. Step 3: Cross multiply
    3,090.62x = 4,265.61 × 1,896.05
  4. Step 4: Simplify right side
    3,090.62x = 8,087,788.51
  5. Step 5: Solve for x
    x = 8,087,788.51/3,090.62
  6. Step 6: Final answer
    x = 2,616.89

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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.