Home / 3,074.96-4,609.60-1,225.63

Finding the Fourth Proportional to 3,074.96, 4,609.60 and 1,225.63

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Solution

The fourth proportional to 3,074.96, 4,609.60 and 1,225.63 is: 1,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.96 : 4,609.60 = 1,225.63 : x
  2. Step 2: Convert to fraction form
    3,074.96/4,609.60 = 1,225.63/x
  3. Step 3: Cross multiply
    3,074.96x = 4,609.60 × 1,225.63
  4. Step 4: Simplify right side
    3,074.96x = 5,649,641
  5. Step 5: Solve for x
    x = 5,649,641/3,074.96
  6. Step 6: Final answer
    x = 1,837.31

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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.