Home / 3,577.21-5,365.60-2,125.60

Finding the Fourth Proportional to 3,577.21, 5,365.60 and 2,125.60

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Solution

The fourth proportional to 3,577.21, 5,365.60 and 2,125.60 is: 3,188.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.21 : 5,365.60 = 2,125.60 : x
  2. Step 2: Convert to fraction form
    3,577.21/5,365.60 = 2,125.60/x
  3. Step 3: Cross multiply
    3,577.21x = 5,365.60 × 2,125.60
  4. Step 4: Simplify right side
    3,577.21x = 11,405,100.63
  5. Step 5: Solve for x
    x = 11,405,100.63/3,577.21
  6. Step 6: Final answer
    x = 3,188.27

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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.