Home / 3,554.25-5,331.42-1,245.75

Finding the Fourth Proportional to 3,554.25, 5,331.42 and 1,245.75

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Solution

The fourth proportional to 3,554.25, 5,331.42 and 1,245.75 is: 1,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,554.25 : 5,331.42 = 1,245.75 : x
  2. Step 2: Convert to fraction form
    3,554.25/5,331.42 = 1,245.75/x
  3. Step 3: Cross multiply
    3,554.25x = 5,331.42 × 1,245.75
  4. Step 4: Simplify right side
    3,554.25x = 6,641,616.47
  5. Step 5: Solve for x
    x = 6,641,616.47/3,554.25
  6. Step 6: Final answer
    x = 1,868.64

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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.