Home / 2,994.62-4,126.87-2,153.84

Finding the Fourth Proportional to 2,994.62, 4,126.87 and 2,153.84

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Solution

The fourth proportional to 2,994.62, 4,126.87 and 2,153.84 is: 2,968.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.62 : 4,126.87 = 2,153.84 : x
  2. Step 2: Convert to fraction form
    2,994.62/4,126.87 = 2,153.84/x
  3. Step 3: Cross multiply
    2,994.62x = 4,126.87 × 2,153.84
  4. Step 4: Simplify right side
    2,994.62x = 8,888,591.66
  5. Step 5: Solve for x
    x = 8,888,591.66/2,994.62
  6. Step 6: Final answer
    x = 2,968.19

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1.5x scale

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.