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Finding the Fourth Proportional to 1,090.44, 1,632.72 and 884.52

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Solution

The fourth proportional to 1,090.44, 1,632.72 and 884.52 is: 1,324.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.44 : 1,632.72 = 884.52 : x
  2. Step 2: Convert to fraction form
    1,090.44/1,632.72 = 884.52/x
  3. Step 3: Cross multiply
    1,090.44x = 1,632.72 × 884.52
  4. Step 4: Simplify right side
    1,090.44x = 1,444,173.49
  5. Step 5: Solve for x
    x = 1,444,173.49/1,090.44
  6. Step 6: Final answer
    x = 1,324.40

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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.