Home / 3,440.63-4,745.90-2,743.67

Finding the Fourth Proportional to 3,440.63, 4,745.90 and 2,743.67

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Solution

The fourth proportional to 3,440.63, 4,745.90 and 2,743.67 is: 3,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.63 : 4,745.90 = 2,743.67 : x
  2. Step 2: Convert to fraction form
    3,440.63/4,745.90 = 2,743.67/x
  3. Step 3: Cross multiply
    3,440.63x = 4,745.90 × 2,743.67
  4. Step 4: Simplify right side
    3,440.63x = 13,021,146.01
  5. Step 5: Solve for x
    x = 13,021,146.01/3,440.63
  6. Step 6: Final answer
    x = 3,784.53

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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.