Home / 3,600.87-4,967.48-2,107.86

Finding the Fourth Proportional to 3,600.87, 4,967.48 and 2,107.86

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Solution

The fourth proportional to 3,600.87, 4,967.48 and 2,107.86 is: 2,907.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.87 : 4,967.48 = 2,107.86 : x
  2. Step 2: Convert to fraction form
    3,600.87/4,967.48 = 2,107.86/x
  3. Step 3: Cross multiply
    3,600.87x = 4,967.48 × 2,107.86
  4. Step 4: Simplify right side
    3,600.87x = 10,470,741.85
  5. Step 5: Solve for x
    x = 10,470,741.85/3,600.87
  6. Step 6: Final answer
    x = 2,907.84

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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.