Home / 3,834.18-5,288.40-3,520.44

Finding the Fourth Proportional to 3,834.18, 5,288.40 and 3,520.44

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Solution

The fourth proportional to 3,834.18, 5,288.40 and 3,520.44 is: 4,855.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834.18 : 5,288.40 = 3,520.44 : x
  2. Step 2: Convert to fraction form
    3,834.18/5,288.40 = 3,520.44/x
  3. Step 3: Cross multiply
    3,834.18x = 5,288.40 × 3,520.44
  4. Step 4: Simplify right side
    3,834.18x = 18,617,494.90
  5. Step 5: Solve for x
    x = 18,617,494.90/3,834.18
  6. Step 6: Final answer
    x = 4,855.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.