Home / 1,902.66-2,626.62-1,195.53

Finding the Fourth Proportional to 1,902.66, 2,626.62 and 1,195.53

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Solution

The fourth proportional to 1,902.66, 2,626.62 and 1,195.53 is: 1,650.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.66 : 2,626.62 = 1,195.53 : x
  2. Step 2: Convert to fraction form
    1,902.66/2,626.62 = 1,195.53/x
  3. Step 3: Cross multiply
    1,902.66x = 2,626.62 × 1,195.53
  4. Step 4: Simplify right side
    1,902.66x = 3,140,203.01
  5. Step 5: Solve for x
    x = 3,140,203.01/1,902.66
  6. Step 6: Final answer
    x = 1,650.43

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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.