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Finding the Fourth Proportional to 1,771.64, 2,445.46 and 1,073

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Solution

The fourth proportional to 1,771.64, 2,445.46 and 1,073 is: 1,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.64 : 2,445.46 = 1,073 : x
  2. Step 2: Convert to fraction form
    1,771.64/2,445.46 = 1,073/x
  3. Step 3: Cross multiply
    1,771.64x = 2,445.46 × 1,073
  4. Step 4: Simplify right side
    1,771.64x = 2,623,978.58
  5. Step 5: Solve for x
    x = 2,623,978.58/1,771.64
  6. Step 6: Final answer
    x = 1,481.10

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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.