Home / 2,616.96-3,926.73-1,230.42

Finding the Fourth Proportional to 2,616.96, 3,926.73 and 1,230.42

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Solution

The fourth proportional to 2,616.96, 3,926.73 and 1,230.42 is: 1,846.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.96 : 3,926.73 = 1,230.42 : x
  2. Step 2: Convert to fraction form
    2,616.96/3,926.73 = 1,230.42/x
  3. Step 3: Cross multiply
    2,616.96x = 3,926.73 × 1,230.42
  4. Step 4: Simplify right side
    2,616.96x = 4,831,527.13
  5. Step 5: Solve for x
    x = 4,831,527.13/2,616.96
  6. Step 6: Final answer
    x = 1,846.24

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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.