Home / 3,625.37-5,438.48-1,284.89

Finding the Fourth Proportional to 3,625.37, 5,438.48 and 1,284.89

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Solution

The fourth proportional to 3,625.37, 5,438.48 and 1,284.89 is: 1,927.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.37 : 5,438.48 = 1,284.89 : x
  2. Step 2: Convert to fraction form
    3,625.37/5,438.48 = 1,284.89/x
  3. Step 3: Cross multiply
    3,625.37x = 5,438.48 × 1,284.89
  4. Step 4: Simplify right side
    3,625.37x = 6,987,814.95
  5. Step 5: Solve for x
    x = 6,987,814.95/3,625.37
  6. Step 6: Final answer
    x = 1,927.48

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1.5x scale

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.