Home / 1,832.45-2,749.38-1,102.55

Finding the Fourth Proportional to 1,832.45, 2,749.38 and 1,102.55

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Solution

The fourth proportional to 1,832.45, 2,749.38 and 1,102.55 is: 1,654.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.45 : 2,749.38 = 1,102.55 : x
  2. Step 2: Convert to fraction form
    1,832.45/2,749.38 = 1,102.55/x
  3. Step 3: Cross multiply
    1,832.45x = 2,749.38 × 1,102.55
  4. Step 4: Simplify right side
    1,832.45x = 3,031,328.92
  5. Step 5: Solve for x
    x = 3,031,328.92/1,832.45
  6. Step 6: Final answer
    x = 1,654.25

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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.