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Finding the Fourth Proportional to 3,073.89, 4,607.19 and 1,772.67

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Solution

The fourth proportional to 3,073.89, 4,607.19 and 1,772.67 is: 2,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.89 : 4,607.19 = 1,772.67 : x
  2. Step 2: Convert to fraction form
    3,073.89/4,607.19 = 1,772.67/x
  3. Step 3: Cross multiply
    3,073.89x = 4,607.19 × 1,772.67
  4. Step 4: Simplify right side
    3,073.89x = 8,167,027.50
  5. Step 5: Solve for x
    x = 8,167,027.50/3,073.89
  6. Step 6: Final answer
    x = 2,656.90

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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.