Home / 2,110.59-2,912.77-1,214.60

Finding the Fourth Proportional to 2,110.59, 2,912.77 and 1,214.60

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Solution

The fourth proportional to 2,110.59, 2,912.77 and 1,214.60 is: 1,676.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.59 : 2,912.77 = 1,214.60 : x
  2. Step 2: Convert to fraction form
    2,110.59/2,912.77 = 1,214.60/x
  3. Step 3: Cross multiply
    2,110.59x = 2,912.77 × 1,214.60
  4. Step 4: Simplify right side
    2,110.59x = 3,537,850.44
  5. Step 5: Solve for x
    x = 3,537,850.44/2,110.59
  6. Step 6: Final answer
    x = 1,676.24

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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.