Home / 2,575.34-3,554-1,396.42

Finding the Fourth Proportional to 2,575.34, 3,554 and 1,396.42

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Solution

The fourth proportional to 2,575.34, 3,554 and 1,396.42 is: 1,927.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.34 : 3,554 = 1,396.42 : x
  2. Step 2: Convert to fraction form
    2,575.34/3,554 = 1,396.42/x
  3. Step 3: Cross multiply
    2,575.34x = 3,554 × 1,396.42
  4. Step 4: Simplify right side
    2,575.34x = 4,962,876.68
  5. Step 5: Solve for x
    x = 4,962,876.68/2,575.34
  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.