Home / 3,580.44-4,938.12-2,739.84

Finding the Fourth Proportional to 3,580.44, 4,938.12 and 2,739.84

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Solution

The fourth proportional to 3,580.44, 4,938.12 and 2,739.84 is: 3,778.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.44 : 4,938.12 = 2,739.84 : x
  2. Step 2: Convert to fraction form
    3,580.44/4,938.12 = 2,739.84/x
  3. Step 3: Cross multiply
    3,580.44x = 4,938.12 × 2,739.84
  4. Step 4: Simplify right side
    3,580.44x = 13,529,658.70
  5. Step 5: Solve for x
    x = 13,529,658.70/3,580.44
  6. Step 6: Final answer
    x = 3,778.77

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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.