Home / 3,231.10-4,458.61-1,814.47

Finding the Fourth Proportional to 3,231.10, 4,458.61 and 1,814.47

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Solution

The fourth proportional to 3,231.10, 4,458.61 and 1,814.47 is: 2,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.10 : 4,458.61 = 1,814.47 : x
  2. Step 2: Convert to fraction form
    3,231.10/4,458.61 = 1,814.47/x
  3. Step 3: Cross multiply
    3,231.10x = 4,458.61 × 1,814.47
  4. Step 4: Simplify right side
    3,231.10x = 8,089,996.14
  5. Step 5: Solve for x
    x = 8,089,996.14/3,231.10
  6. Step 6: Final answer
    x = 2,503.79

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1.5x scale

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.