Home / 1,914.62-2,869.18-1,091.19

Finding the Fourth Proportional to 1,914.62, 2,869.18 and 1,091.19

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Solution

The fourth proportional to 1,914.62, 2,869.18 and 1,091.19 is: 1,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914.62 : 2,869.18 = 1,091.19 : x
  2. Step 2: Convert to fraction form
    1,914.62/2,869.18 = 1,091.19/x
  3. Step 3: Cross multiply
    1,914.62x = 2,869.18 × 1,091.19
  4. Step 4: Simplify right side
    1,914.62x = 3,130,820.52
  5. Step 5: Solve for x
    x = 3,130,820.52/1,914.62
  6. Step 6: Final answer
    x = 1,635.22

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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.