Home / 2,700.20-4,047.90-2,408.60

Finding the Fourth Proportional to 2,700.20, 4,047.90 and 2,408.60

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Solution

The fourth proportional to 2,700.20, 4,047.90 and 2,408.60 is: 3,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,700.20 : 4,047.90 = 2,408.60 : x
  2. Step 2: Convert to fraction form
    2,700.20/4,047.90 = 2,408.60/x
  3. Step 3: Cross multiply
    2,700.20x = 4,047.90 × 2,408.60
  4. Step 4: Simplify right side
    2,700.20x = 9,749,771.94
  5. Step 5: Solve for x
    x = 9,749,771.94/2,700.20
  6. Step 6: Final answer
    x = 3,610.76

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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.