Home / 3,313.80-4,938.21-3,022.20

Finding the Fourth Proportional to 3,313.80, 4,938.21 and 3,022.20

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Solution

The fourth proportional to 3,313.80, 4,938.21 and 3,022.20 is: 4,503.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313.80 : 4,938.21 = 3,022.20 : x
  2. Step 2: Convert to fraction form
    3,313.80/4,938.21 = 3,022.20/x
  3. Step 3: Cross multiply
    3,313.80x = 4,938.21 × 3,022.20
  4. Step 4: Simplify right side
    3,313.80x = 14,924,258.26
  5. Step 5: Solve for x
    x = 14,924,258.26/3,313.80
  6. Step 6: Final answer
    x = 4,503.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.