Home / 3,653.12-5,481.05-1,897.03

Finding the Fourth Proportional to 3,653.12, 5,481.05 and 1,897.03

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Solution

The fourth proportional to 3,653.12, 5,481.05 and 1,897.03 is: 2,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.12 : 5,481.05 = 1,897.03 : x
  2. Step 2: Convert to fraction form
    3,653.12/5,481.05 = 1,897.03/x
  3. Step 3: Cross multiply
    3,653.12x = 5,481.05 × 1,897.03
  4. Step 4: Simplify right side
    3,653.12x = 10,397,679.39
  5. Step 5: Solve for x
    x = 10,397,679.39/3,653.12
  6. Step 6: Final answer
    x = 2,846.25

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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.