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Finding the Fourth Proportional to 2,408.72, 3,607.00 and 2,017.76

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Solution

The fourth proportional to 2,408.72, 3,607.00 and 2,017.76 is: 3,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,408.72 : 3,607.00 = 2,017.76 : x
  2. Step 2: Convert to fraction form
    2,408.72/3,607.00 = 2,017.76/x
  3. Step 3: Cross multiply
    2,408.72x = 3,607.00 × 2,017.76
  4. Step 4: Simplify right side
    2,408.72x = 7,278,037.24
  5. Step 5: Solve for x
    x = 7,278,037.24/2,408.72
  6. Step 6: Final answer
    x = 3,021.54

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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.