Home / 2,684.96-4,023.79-1,994.23

Finding the Fourth Proportional to 2,684.96, 4,023.79 and 1,994.23

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Solution

The fourth proportional to 2,684.96, 4,023.79 and 1,994.23 is: 2,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.96 : 4,023.79 = 1,994.23 : x
  2. Step 2: Convert to fraction form
    2,684.96/4,023.79 = 1,994.23/x
  3. Step 3: Cross multiply
    2,684.96x = 4,023.79 × 1,994.23
  4. Step 4: Simplify right side
    2,684.96x = 8,024,347.69
  5. Step 5: Solve for x
    x = 8,024,347.69/2,684.96
  6. Step 6: Final answer
    x = 2,988.63

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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.