Home / 3,653.94-5,042.84-2,238.56

Finding the Fourth Proportional to 3,653.94, 5,042.84 and 2,238.56

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Solution

The fourth proportional to 3,653.94, 5,042.84 and 2,238.56 is: 3,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.94 : 5,042.84 = 2,238.56 : x
  2. Step 2: Convert to fraction form
    3,653.94/5,042.84 = 2,238.56/x
  3. Step 3: Cross multiply
    3,653.94x = 5,042.84 × 2,238.56
  4. Step 4: Simplify right side
    3,653.94x = 11,288,663.50
  5. Step 5: Solve for x
    x = 11,288,663.50/3,653.94
  6. Step 6: Final answer
    x = 3,089.45

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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.