Home / 1,220.26-1,834.44-1,130.08

Finding the Fourth Proportional to 1,220.26, 1,834.44 and 1,130.08

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Solution

The fourth proportional to 1,220.26, 1,834.44 and 1,130.08 is: 1,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220.26 : 1,834.44 = 1,130.08 : x
  2. Step 2: Convert to fraction form
    1,220.26/1,834.44 = 1,130.08/x
  3. Step 3: Cross multiply
    1,220.26x = 1,834.44 × 1,130.08
  4. Step 4: Simplify right side
    1,220.26x = 2,073,063.96
  5. Step 5: Solve for x
    x = 2,073,063.96/1,220.26
  6. Step 6: Final answer
    x = 1,698.87

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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.