Home / 2,575.35-3,554-1,396.43

Finding the Fourth Proportional to 2,575.35, 3,554 and 1,396.43

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Solution

The fourth proportional to 2,575.35, 3,554 and 1,396.43 is: 1,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.35 : 3,554 = 1,396.43 : x
  2. Step 2: Convert to fraction form
    2,575.35/3,554 = 1,396.43/x
  3. Step 3: Cross multiply
    2,575.35x = 3,554 × 1,396.43
  4. Step 4: Simplify right side
    2,575.35x = 4,962,912.22
  5. Step 5: Solve for x
    x = 4,962,912.22/2,575.35
  6. Step 6: Final answer
    x = 1,927.08

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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.