Home / 3,645.41-5,459.87-2,554.63

Finding the Fourth Proportional to 3,645.41, 5,459.87 and 2,554.63

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Solution

The fourth proportional to 3,645.41, 5,459.87 and 2,554.63 is: 3,826.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,645.41 : 5,459.87 = 2,554.63 : x
  2. Step 2: Convert to fraction form
    3,645.41/5,459.87 = 2,554.63/x
  3. Step 3: Cross multiply
    3,645.41x = 5,459.87 × 2,554.63
  4. Step 4: Simplify right side
    3,645.41x = 13,947,940.43
  5. Step 5: Solve for x
    x = 13,947,940.43/3,645.41
  6. Step 6: Final answer
    x = 3,826.17

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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.