Home / 3,938.27-5,435.00-2,260.05

Finding the Fourth Proportional to 3,938.27, 5,435.00 and 2,260.05

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Solution

The fourth proportional to 3,938.27, 5,435.00 and 2,260.05 is: 3,118.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.27 : 5,435.00 = 2,260.05 : x
  2. Step 2: Convert to fraction form
    3,938.27/5,435.00 = 2,260.05/x
  3. Step 3: Cross multiply
    3,938.27x = 5,435.00 × 2,260.05
  4. Step 4: Simplify right side
    3,938.27x = 12,283,379.12
  5. Step 5: Solve for x
    x = 12,283,379.12/3,938.27
  6. Step 6: Final answer
    x = 3,118.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.