Home / 2,845.50-4,268.87-1,090.51

Finding the Fourth Proportional to 2,845.50, 4,268.87 and 1,090.51

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Solution

The fourth proportional to 2,845.50, 4,268.87 and 1,090.51 is: 1,636.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.50 : 4,268.87 = 1,090.51 : x
  2. Step 2: Convert to fraction form
    2,845.50/4,268.87 = 1,090.51/x
  3. Step 3: Cross multiply
    2,845.50x = 4,268.87 × 1,090.51
  4. Step 4: Simplify right side
    2,845.50x = 4,655,229.30
  5. Step 5: Solve for x
    x = 4,655,229.30/2,845.50
  6. Step 6: Final answer
    x = 1,636.00

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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.