Home / 3,653.91-5,481.41-1,154.25

Finding the Fourth Proportional to 3,653.91, 5,481.41 and 1,154.25

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Solution

The fourth proportional to 3,653.91, 5,481.41 and 1,154.25 is: 1,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.91 : 5,481.41 = 1,154.25 : x
  2. Step 2: Convert to fraction form
    3,653.91/5,481.41 = 1,154.25/x
  3. Step 3: Cross multiply
    3,653.91x = 5,481.41 × 1,154.25
  4. Step 4: Simplify right side
    3,653.91x = 6,326,911.72
  5. Step 5: Solve for x
    x = 6,326,911.72/3,653.91
  6. Step 6: Final answer
    x = 1,731.55

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1.5x scale

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.