Home / 3,653.68-5,042.46-2,238.31

Finding the Fourth Proportional to 3,653.68, 5,042.46 and 2,238.31

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Solution

The fourth proportional to 3,653.68, 5,042.46 and 2,238.31 is: 3,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.68 : 5,042.46 = 2,238.31 : x
  2. Step 2: Convert to fraction form
    3,653.68/5,042.46 = 2,238.31/x
  3. Step 3: Cross multiply
    3,653.68x = 5,042.46 × 2,238.31
  4. Step 4: Simplify right side
    3,653.68x = 11,286,588.64
  5. Step 5: Solve for x
    x = 11,286,588.64/3,653.68
  6. Step 6: Final answer
    x = 3,089.10

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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.