Home / 3,612-4,984.68-2,214.48

Finding the Fourth Proportional to 3,612, 4,984.68 and 2,214.48

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Solution

The fourth proportional to 3,612, 4,984.68 and 2,214.48 is: 3,056.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612 : 4,984.68 = 2,214.48 : x
  2. Step 2: Convert to fraction form
    3,612/4,984.68 = 2,214.48/x
  3. Step 3: Cross multiply
    3,612x = 4,984.68 × 2,214.48
  4. Step 4: Simplify right side
    3,612x = 11,038,474.17
  5. Step 5: Solve for x
    x = 11,038,474.17/3,612
  6. Step 6: Final answer
    x = 3,056.06

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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.