Home / 3,611.58-5,401.72-2,127.26

Finding the Fourth Proportional to 3,611.58, 5,401.72 and 2,127.26

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Solution

The fourth proportional to 3,611.58, 5,401.72 and 2,127.26 is: 3,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.58 : 5,401.72 = 2,127.26 : x
  2. Step 2: Convert to fraction form
    3,611.58/5,401.72 = 2,127.26/x
  3. Step 3: Cross multiply
    3,611.58x = 5,401.72 × 2,127.26
  4. Step 4: Simplify right side
    3,611.58x = 11,490,862.89
  5. Step 5: Solve for x
    x = 11,490,862.89/3,611.58
  6. Step 6: Final answer
    x = 3,181.67

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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.