Home / 3,138.03-4,330.53-2,241.99

Finding the Fourth Proportional to 3,138.03, 4,330.53 and 2,241.99

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Solution

The fourth proportional to 3,138.03, 4,330.53 and 2,241.99 is: 3,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.03 : 4,330.53 = 2,241.99 : x
  2. Step 2: Convert to fraction form
    3,138.03/4,330.53 = 2,241.99/x
  3. Step 3: Cross multiply
    3,138.03x = 4,330.53 × 2,241.99
  4. Step 4: Simplify right side
    3,138.03x = 9,709,004.95
  5. Step 5: Solve for x
    x = 9,709,004.95/3,138.03
  6. Step 6: Final answer
    x = 3,093.98

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1.5x scale

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.