Home / 2,104.14-3,157.84-1,698.24

Finding the Fourth Proportional to 2,104.14, 3,157.84 and 1,698.24

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Solution

The fourth proportional to 2,104.14, 3,157.84 and 1,698.24 is: 2,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.14 : 3,157.84 = 1,698.24 : x
  2. Step 2: Convert to fraction form
    2,104.14/3,157.84 = 1,698.24/x
  3. Step 3: Cross multiply
    2,104.14x = 3,157.84 × 1,698.24
  4. Step 4: Simplify right side
    2,104.14x = 5,362,770.20
  5. Step 5: Solve for x
    x = 5,362,770.20/2,104.14
  6. Step 6: Final answer
    x = 2,548.68

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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.