Home / 3,216.50-4,436.34-2,223.44

Finding the Fourth Proportional to 3,216.50, 4,436.34 and 2,223.44

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Solution

The fourth proportional to 3,216.50, 4,436.34 and 2,223.44 is: 3,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.50 : 4,436.34 = 2,223.44 : x
  2. Step 2: Convert to fraction form
    3,216.50/4,436.34 = 2,223.44/x
  3. Step 3: Cross multiply
    3,216.50x = 4,436.34 × 2,223.44
  4. Step 4: Simplify right side
    3,216.50x = 9,863,935.81
  5. Step 5: Solve for x
    x = 9,863,935.81/3,216.50
  6. Step 6: Final answer
    x = 3,066.67

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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.