Home / 2,254.69-3,111.83-1,310.49

Finding the Fourth Proportional to 2,254.69, 3,111.83 and 1,310.49

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Solution

The fourth proportional to 2,254.69, 3,111.83 and 1,310.49 is: 1,808.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.69 : 3,111.83 = 1,310.49 : x
  2. Step 2: Convert to fraction form
    2,254.69/3,111.83 = 1,310.49/x
  3. Step 3: Cross multiply
    2,254.69x = 3,111.83 × 1,310.49
  4. Step 4: Simplify right side
    2,254.69x = 4,078,022.10
  5. Step 5: Solve for x
    x = 4,078,022.10/2,254.69
  6. Step 6: Final answer
    x = 1,808.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.