Home / 2,518.18-3,771.19-1,514.64

Finding the Fourth Proportional to 2,518.18, 3,771.19 and 1,514.64

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Solution

The fourth proportional to 2,518.18, 3,771.19 and 1,514.64 is: 2,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518.18 : 3,771.19 = 1,514.64 : x
  2. Step 2: Convert to fraction form
    2,518.18/3,771.19 = 1,514.64/x
  3. Step 3: Cross multiply
    2,518.18x = 3,771.19 × 1,514.64
  4. Step 4: Simplify right side
    2,518.18x = 5,711,995.22
  5. Step 5: Solve for x
    x = 5,711,995.22/2,518.18
  6. Step 6: Final answer
    x = 2,268.30

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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.