Home / 3,635.80-5,453.74-2,338.18

Finding the Fourth Proportional to 3,635.80, 5,453.74 and 2,338.18

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Solution

The fourth proportional to 3,635.80, 5,453.74 and 2,338.18 is: 3,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.80 : 5,453.74 = 2,338.18 : x
  2. Step 2: Convert to fraction form
    3,635.80/5,453.74 = 2,338.18/x
  3. Step 3: Cross multiply
    3,635.80x = 5,453.74 × 2,338.18
  4. Step 4: Simplify right side
    3,635.80x = 12,751,825.79
  5. Step 5: Solve for x
    x = 12,751,825.79/3,635.80
  6. Step 6: Final answer
    x = 3,507.30

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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.