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Finding the Fourth Proportional to 3,097.56, 4,274.64 and 1,771.50

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Solution

The fourth proportional to 3,097.56, 4,274.64 and 1,771.50 is: 2,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,097.56 : 4,274.64 = 1,771.50 : x
  2. Step 2: Convert to fraction form
    3,097.56/4,274.64 = 1,771.50/x
  3. Step 3: Cross multiply
    3,097.56x = 4,274.64 × 1,771.50
  4. Step 4: Simplify right side
    3,097.56x = 7,572,524.76
  5. Step 5: Solve for x
    x = 7,572,524.76/3,097.56
  6. Step 6: Final answer
    x = 2,444.67

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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.