Home / 2,422.96-3,636.12-1,124.56

Finding the Fourth Proportional to 2,422.96, 3,636.12 and 1,124.56

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Solution

The fourth proportional to 2,422.96, 3,636.12 and 1,124.56 is: 1,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.96 : 3,636.12 = 1,124.56 : x
  2. Step 2: Convert to fraction form
    2,422.96/3,636.12 = 1,124.56/x
  3. Step 3: Cross multiply
    2,422.96x = 3,636.12 × 1,124.56
  4. Step 4: Simplify right side
    2,422.96x = 4,089,035.11
  5. Step 5: Solve for x
    x = 4,089,035.11/2,422.96
  6. Step 6: Final answer
    x = 1,687.62

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1.5x scale

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.