Home / 1,910.07-2,863.49-1,178.01

Finding the Fourth Proportional to 1,910.07, 2,863.49 and 1,178.01

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Solution

The fourth proportional to 1,910.07, 2,863.49 and 1,178.01 is: 1,766.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.07 : 2,863.49 = 1,178.01 : x
  2. Step 2: Convert to fraction form
    1,910.07/2,863.49 = 1,178.01/x
  3. Step 3: Cross multiply
    1,910.07x = 2,863.49 × 1,178.01
  4. Step 4: Simplify right side
    1,910.07x = 3,373,213.96
  5. Step 5: Solve for x
    x = 3,373,213.96/1,910.07
  6. Step 6: Final answer
    x = 1,766.02

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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.