Home / 3,601.72-4,971.60-2,110.11

Finding the Fourth Proportional to 3,601.72, 4,971.60 and 2,110.11

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Solution

The fourth proportional to 3,601.72, 4,971.60 and 2,110.11 is: 2,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.72 : 4,971.60 = 2,110.11 : x
  2. Step 2: Convert to fraction form
    3,601.72/4,971.60 = 2,110.11/x
  3. Step 3: Cross multiply
    3,601.72x = 4,971.60 × 2,110.11
  4. Step 4: Simplify right side
    3,601.72x = 10,490,622.88
  5. Step 5: Solve for x
    x = 10,490,622.88/3,601.72
  6. Step 6: Final answer
    x = 2,912.67

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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.