Home / 3,185.88-4,396.42-1,769.49

Finding the Fourth Proportional to 3,185.88, 4,396.42 and 1,769.49

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Solution

The fourth proportional to 3,185.88, 4,396.42 and 1,769.49 is: 2,441.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.88 : 4,396.42 = 1,769.49 : x
  2. Step 2: Convert to fraction form
    3,185.88/4,396.42 = 1,769.49/x
  3. Step 3: Cross multiply
    3,185.88x = 4,396.42 × 1,769.49
  4. Step 4: Simplify right side
    3,185.88x = 7,779,421.23
  5. Step 5: Solve for x
    x = 7,779,421.23/3,185.88
  6. Step 6: Final answer
    x = 2,441.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.