Home / 1,771.44-2,654.63-1,305.55

Finding the Fourth Proportional to 1,771.44, 2,654.63 and 1,305.55

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Solution

The fourth proportional to 1,771.44, 2,654.63 and 1,305.55 is: 1,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771.44 : 2,654.63 = 1,305.55 : x
  2. Step 2: Convert to fraction form
    1,771.44/2,654.63 = 1,305.55/x
  3. Step 3: Cross multiply
    1,771.44x = 2,654.63 × 1,305.55
  4. Step 4: Simplify right side
    1,771.44x = 3,465,752.20
  5. Step 5: Solve for x
    x = 3,465,752.20/1,771.44
  6. Step 6: Final answer
    x = 1,956.47

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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.