Home / 2,427.88-3,644.70-2,418.28

Finding the Fourth Proportional to 2,427.88, 3,644.70 and 2,418.28

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Solution

The fourth proportional to 2,427.88, 3,644.70 and 2,418.28 is: 3,630.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.88 : 3,644.70 = 2,418.28 : x
  2. Step 2: Convert to fraction form
    2,427.88/3,644.70 = 2,418.28/x
  3. Step 3: Cross multiply
    2,427.88x = 3,644.70 × 2,418.28
  4. Step 4: Simplify right side
    2,427.88x = 8,813,905.12
  5. Step 5: Solve for x
    x = 8,813,905.12/2,427.88
  6. Step 6: Final answer
    x = 3,630.29

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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.