Home / 2,684.91-4,023.71-1,994.18

Finding the Fourth Proportional to 2,684.91, 4,023.71 and 1,994.18

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Solution

The fourth proportional to 2,684.91, 4,023.71 and 1,994.18 is: 2,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.91 : 4,023.71 = 1,994.18 : x
  2. Step 2: Convert to fraction form
    2,684.91/4,023.71 = 1,994.18/x
  3. Step 3: Cross multiply
    2,684.91x = 4,023.71 × 1,994.18
  4. Step 4: Simplify right side
    2,684.91x = 8,024,013.25
  5. Step 5: Solve for x
    x = 8,024,013.25/2,684.91
  6. Step 6: Final answer
    x = 2,988.56

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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.