Home / 3,289.84-4,930.44-2,461.48

Finding the Fourth Proportional to 3,289.84, 4,930.44 and 2,461.48

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Solution

The fourth proportional to 3,289.84, 4,930.44 and 2,461.48 is: 3,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.84 : 4,930.44 = 2,461.48 : x
  2. Step 2: Convert to fraction form
    3,289.84/4,930.44 = 2,461.48/x
  3. Step 3: Cross multiply
    3,289.84x = 4,930.44 × 2,461.48
  4. Step 4: Simplify right side
    3,289.84x = 12,136,179.45
  5. Step 5: Solve for x
    x = 12,136,179.45/3,289.84
  6. Step 6: Final answer
    x = 3,688.99

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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.