Home / 3,625.36-5,438.88-1,404.49

Finding the Fourth Proportional to 3,625.36, 5,438.88 and 1,404.49

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Solution

The fourth proportional to 3,625.36, 5,438.88 and 1,404.49 is: 2,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.36 : 5,438.88 = 1,404.49 : x
  2. Step 2: Convert to fraction form
    3,625.36/5,438.88 = 1,404.49/x
  3. Step 3: Cross multiply
    3,625.36x = 5,438.88 × 1,404.49
  4. Step 4: Simplify right side
    3,625.36x = 7,638,852.57
  5. Step 5: Solve for x
    x = 7,638,852.57/3,625.36
  6. Step 6: Final answer
    x = 2,107.06

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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.