Home / 2,747.21-3,790.96-1,699.07

Finding the Fourth Proportional to 2,747.21, 3,790.96 and 1,699.07

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Solution

The fourth proportional to 2,747.21, 3,790.96 and 1,699.07 is: 2,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.21 : 3,790.96 = 1,699.07 : x
  2. Step 2: Convert to fraction form
    2,747.21/3,790.96 = 1,699.07/x
  3. Step 3: Cross multiply
    2,747.21x = 3,790.96 × 1,699.07
  4. Step 4: Simplify right side
    2,747.21x = 6,441,087.45
  5. Step 5: Solve for x
    x = 6,441,087.45/2,747.21
  6. Step 6: Final answer
    x = 2,344.60

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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.