Home / 1,994.23-2,989.85-1,376.17

Finding the Fourth Proportional to 1,994.23, 2,989.85 and 1,376.17

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Solution

The fourth proportional to 1,994.23, 2,989.85 and 1,376.17 is: 2,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994.23 : 2,989.85 = 1,376.17 : x
  2. Step 2: Convert to fraction form
    1,994.23/2,989.85 = 1,376.17/x
  3. Step 3: Cross multiply
    1,994.23x = 2,989.85 × 1,376.17
  4. Step 4: Simplify right side
    1,994.23x = 4,114,520.04
  5. Step 5: Solve for x
    x = 4,114,520.04/1,994.23
  6. Step 6: Final answer
    x = 2,063.22

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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.