Home / 3,489.56-4,816.86-2,311.01

Finding the Fourth Proportional to 3,489.56, 4,816.86 and 2,311.01

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Solution

The fourth proportional to 3,489.56, 4,816.86 and 2,311.01 is: 3,190.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.56 : 4,816.86 = 2,311.01 : x
  2. Step 2: Convert to fraction form
    3,489.56/4,816.86 = 2,311.01/x
  3. Step 3: Cross multiply
    3,489.56x = 4,816.86 × 2,311.01
  4. Step 4: Simplify right side
    3,489.56x = 11,131,811.63
  5. Step 5: Solve for x
    x = 11,131,811.63/3,489.56
  6. Step 6: Final answer
    x = 3,190.03

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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.