Home / 2,623.90-3,621.60-1,629.93

Finding the Fourth Proportional to 2,623.90, 3,621.60 and 1,629.93

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Solution

The fourth proportional to 2,623.90, 3,621.60 and 1,629.93 is: 2,249.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,623.90 : 3,621.60 = 1,629.93 : x
  2. Step 2: Convert to fraction form
    2,623.90/3,621.60 = 1,629.93/x
  3. Step 3: Cross multiply
    2,623.90x = 3,621.60 × 1,629.93
  4. Step 4: Simplify right side
    2,623.90x = 5,902,946.34
  5. Step 5: Solve for x
    x = 5,902,946.34/2,623.90
  6. Step 6: Final answer
    x = 2,249.68

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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.