Home / 3,653.24-5,481.88-1,805.90

Finding the Fourth Proportional to 3,653.24, 5,481.88 and 1,805.90

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Solution

The fourth proportional to 3,653.24, 5,481.88 and 1,805.90 is: 2,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.24 : 5,481.88 = 1,805.90 : x
  2. Step 2: Convert to fraction form
    3,653.24/5,481.88 = 1,805.90/x
  3. Step 3: Cross multiply
    3,653.24x = 5,481.88 × 1,805.90
  4. Step 4: Simplify right side
    3,653.24x = 9,899,695.17
  5. Step 5: Solve for x
    x = 9,899,695.17/3,653.24
  6. Step 6: Final answer
    x = 2,709.84

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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.