Home / 3,201.37-4,795.84-2,102.40

Finding the Fourth Proportional to 3,201.37, 4,795.84 and 2,102.40

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Solution

The fourth proportional to 3,201.37, 4,795.84 and 2,102.40 is: 3,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.37 : 4,795.84 = 2,102.40 : x
  2. Step 2: Convert to fraction form
    3,201.37/4,795.84 = 2,102.40/x
  3. Step 3: Cross multiply
    3,201.37x = 4,795.84 × 2,102.40
  4. Step 4: Simplify right side
    3,201.37x = 10,082,774.02
  5. Step 5: Solve for x
    x = 10,082,774.02/3,201.37
  6. Step 6: Final answer
    x = 3,149.52

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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.