Home / 3,091.53-4,266.42-1,765.41

Finding the Fourth Proportional to 3,091.53, 4,266.42 and 1,765.41

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Solution

The fourth proportional to 3,091.53, 4,266.42 and 1,765.41 is: 2,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.53 : 4,266.42 = 1,765.41 : x
  2. Step 2: Convert to fraction form
    3,091.53/4,266.42 = 1,765.41/x
  3. Step 3: Cross multiply
    3,091.53x = 4,266.42 × 1,765.41
  4. Step 4: Simplify right side
    3,091.53x = 7,531,980.53
  5. Step 5: Solve for x
    x = 7,531,980.53/3,091.53
  6. Step 6: Final answer
    x = 2,436.33

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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.