Home / 3,811.13-5,716.70-2,512.30

Finding the Fourth Proportional to 3,811.13, 5,716.70 and 2,512.30

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Solution

The fourth proportional to 3,811.13, 5,716.70 and 2,512.30 is: 3,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.13 : 5,716.70 = 2,512.30 : x
  2. Step 2: Convert to fraction form
    3,811.13/5,716.70 = 2,512.30/x
  3. Step 3: Cross multiply
    3,811.13x = 5,716.70 × 2,512.30
  4. Step 4: Simplify right side
    3,811.13x = 14,362,065.41
  5. Step 5: Solve for x
    x = 14,362,065.41/3,811.13
  6. Step 6: Final answer
    x = 3,768.45

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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.