Home / 3,538.25-5,307.38-1,999.37

Finding the Fourth Proportional to 3,538.25, 5,307.38 and 1,999.37

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Solution

The fourth proportional to 3,538.25, 5,307.38 and 1,999.37 is: 2,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.25 : 5,307.38 = 1,999.37 : x
  2. Step 2: Convert to fraction form
    3,538.25/5,307.38 = 1,999.37/x
  3. Step 3: Cross multiply
    3,538.25x = 5,307.38 × 1,999.37
  4. Step 4: Simplify right side
    3,538.25x = 10,611,416.35
  5. Step 5: Solve for x
    x = 10,611,416.35/3,538.25
  6. Step 6: Final answer
    x = 2,999.06

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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.