Home / 3,418.36-5,118.90-2,554.36

Finding the Fourth Proportional to 3,418.36, 5,118.90 and 2,554.36

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Solution

The fourth proportional to 3,418.36, 5,118.90 and 2,554.36 is: 3,825.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.36 : 5,118.90 = 2,554.36 : x
  2. Step 2: Convert to fraction form
    3,418.36/5,118.90 = 2,554.36/x
  3. Step 3: Cross multiply
    3,418.36x = 5,118.90 × 2,554.36
  4. Step 4: Simplify right side
    3,418.36x = 13,075,513.40
  5. Step 5: Solve for x
    x = 13,075,513.40/3,418.36
  6. Step 6: Final answer
    x = 3,825.08

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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.