Home / 3,846.61-5,775.05-2,601.39

Finding the Fourth Proportional to 3,846.61, 5,775.05 and 2,601.39

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Solution

The fourth proportional to 3,846.61, 5,775.05 and 2,601.39 is: 3,905.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.61 : 5,775.05 = 2,601.39 : x
  2. Step 2: Convert to fraction form
    3,846.61/5,775.05 = 2,601.39/x
  3. Step 3: Cross multiply
    3,846.61x = 5,775.05 × 2,601.39
  4. Step 4: Simplify right side
    3,846.61x = 15,023,154.60
  5. Step 5: Solve for x
    x = 15,023,154.60/3,846.61
  6. Step 6: Final answer
    x = 3,905.55

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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.