Home / 3,522.36-5,277.58-2,131.49

Finding the Fourth Proportional to 3,522.36, 5,277.58 and 2,131.49

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Solution

The fourth proportional to 3,522.36, 5,277.58 and 2,131.49 is: 3,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,522.36 : 5,277.58 = 2,131.49 : x
  2. Step 2: Convert to fraction form
    3,522.36/5,277.58 = 2,131.49/x
  3. Step 3: Cross multiply
    3,522.36x = 5,277.58 × 2,131.49
  4. Step 4: Simplify right side
    3,522.36x = 11,249,108.01
  5. Step 5: Solve for x
    x = 11,249,108.01/3,522.36
  6. Step 6: Final answer
    x = 3,193.63

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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.