Home / 3,624.75-5,438.75-1,675.89

Finding the Fourth Proportional to 3,624.75, 5,438.75 and 1,675.89

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Solution

The fourth proportional to 3,624.75, 5,438.75 and 1,675.89 is: 2,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.75 : 5,438.75 = 1,675.89 : x
  2. Step 2: Convert to fraction form
    3,624.75/5,438.75 = 1,675.89/x
  3. Step 3: Cross multiply
    3,624.75x = 5,438.75 × 1,675.89
  4. Step 4: Simplify right side
    3,624.75x = 9,114,738.36
  5. Step 5: Solve for x
    x = 9,114,738.36/3,624.75
  6. Step 6: Final answer
    x = 2,514.58

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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.