Home / 2,601.83-3,905.22-2,420.84

Finding the Fourth Proportional to 2,601.83, 3,905.22 and 2,420.84

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Solution

The fourth proportional to 2,601.83, 3,905.22 and 2,420.84 is: 3,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.83 : 3,905.22 = 2,420.84 : x
  2. Step 2: Convert to fraction form
    2,601.83/3,905.22 = 2,420.84/x
  3. Step 3: Cross multiply
    2,601.83x = 3,905.22 × 2,420.84
  4. Step 4: Simplify right side
    2,601.83x = 9,453,893.26
  5. Step 5: Solve for x
    x = 9,453,893.26/2,601.83
  6. Step 6: Final answer
    x = 3,633.56

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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.