Home / 3,842.24-5,758.65-2,172.22

Finding the Fourth Proportional to 3,842.24, 5,758.65 and 2,172.22

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Solution

The fourth proportional to 3,842.24, 5,758.65 and 2,172.22 is: 3,255.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.24 : 5,758.65 = 2,172.22 : x
  2. Step 2: Convert to fraction form
    3,842.24/5,758.65 = 2,172.22/x
  3. Step 3: Cross multiply
    3,842.24x = 5,758.65 × 2,172.22
  4. Step 4: Simplify right side
    3,842.24x = 12,509,040.31
  5. Step 5: Solve for x
    x = 12,509,040.31/3,842.24
  6. Step 6: Final answer
    x = 3,255.67

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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.