Home / 2,457.39-3,687.89-1,842.75

Finding the Fourth Proportional to 2,457.39, 3,687.89 and 1,842.75

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Solution

The fourth proportional to 2,457.39, 3,687.89 and 1,842.75 is: 2,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.39 : 3,687.89 = 1,842.75 : x
  2. Step 2: Convert to fraction form
    2,457.39/3,687.89 = 1,842.75/x
  3. Step 3: Cross multiply
    2,457.39x = 3,687.89 × 1,842.75
  4. Step 4: Simplify right side
    2,457.39x = 6,795,850.08
  5. Step 5: Solve for x
    x = 6,795,850.08/2,457.39
  6. Step 6: Final answer
    x = 2,765.47

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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.