Home / 2,984.96-4,474.68-1,812.08

Finding the Fourth Proportional to 2,984.96, 4,474.68 and 1,812.08

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Solution

The fourth proportional to 2,984.96, 4,474.68 and 1,812.08 is: 2,716.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.96 : 4,474.68 = 1,812.08 : x
  2. Step 2: Convert to fraction form
    2,984.96/4,474.68 = 1,812.08/x
  3. Step 3: Cross multiply
    2,984.96x = 4,474.68 × 1,812.08
  4. Step 4: Simplify right side
    2,984.96x = 8,108,478.13
  5. Step 5: Solve for x
    x = 8,108,478.13/2,984.96
  6. Step 6: Final answer
    x = 2,716.44

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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.