Home / 3,749.02-5,623.60-1,286.67

Finding the Fourth Proportional to 3,749.02, 5,623.60 and 1,286.67

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Solution

The fourth proportional to 3,749.02, 5,623.60 and 1,286.67 is: 1,930.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.02 : 5,623.60 = 1,286.67 : x
  2. Step 2: Convert to fraction form
    3,749.02/5,623.60 = 1,286.67/x
  3. Step 3: Cross multiply
    3,749.02x = 5,623.60 × 1,286.67
  4. Step 4: Simplify right side
    3,749.02x = 7,235,717.41
  5. Step 5: Solve for x
    x = 7,235,717.41/3,749.02
  6. Step 6: Final answer
    x = 1,930.03

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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.