Home / 3,857.23-5,782.20-3,503.67

Finding the Fourth Proportional to 3,857.23, 5,782.20 and 3,503.67

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Solution

The fourth proportional to 3,857.23, 5,782.20 and 3,503.67 is: 5,252.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.23 : 5,782.20 = 3,503.67 : x
  2. Step 2: Convert to fraction form
    3,857.23/5,782.20 = 3,503.67/x
  3. Step 3: Cross multiply
    3,857.23x = 5,782.20 × 3,503.67
  4. Step 4: Simplify right side
    3,857.23x = 20,258,920.67
  5. Step 5: Solve for x
    x = 20,258,920.67/3,857.23
  6. Step 6: Final answer
    x = 5,252.19

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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.