Home / 3,093.12-4,268.51-1,676.81

Finding the Fourth Proportional to 3,093.12, 4,268.51 and 1,676.81

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Solution

The fourth proportional to 3,093.12, 4,268.51 and 1,676.81 is: 2,313.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,093.12 : 4,268.51 = 1,676.81 : x
  2. Step 2: Convert to fraction form
    3,093.12/4,268.51 = 1,676.81/x
  3. Step 3: Cross multiply
    3,093.12x = 4,268.51 × 1,676.81
  4. Step 4: Simplify right side
    3,093.12x = 7,157,450.53
  5. Step 5: Solve for x
    x = 7,157,450.53/3,093.12
  6. Step 6: Final answer
    x = 2,313.99

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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.