Home / 3,687.36-5,089.16-2,195.36

Finding the Fourth Proportional to 3,687.36, 5,089.16 and 2,195.36

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Solution

The fourth proportional to 3,687.36, 5,089.16 and 2,195.36 is: 3,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.36 : 5,089.16 = 2,195.36 : x
  2. Step 2: Convert to fraction form
    3,687.36/5,089.16 = 2,195.36/x
  3. Step 3: Cross multiply
    3,687.36x = 5,089.16 × 2,195.36
  4. Step 4: Simplify right side
    3,687.36x = 11,172,538.30
  5. Step 5: Solve for x
    x = 11,172,538.30/3,687.36
  6. Step 6: Final answer
    x = 3,029.96

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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.