Home / 3,144.03-4,336.81-2,261.01

Finding the Fourth Proportional to 3,144.03, 4,336.81 and 2,261.01

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Solution

The fourth proportional to 3,144.03, 4,336.81 and 2,261.01 is: 3,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.03 : 4,336.81 = 2,261.01 : x
  2. Step 2: Convert to fraction form
    3,144.03/4,336.81 = 2,261.01/x
  3. Step 3: Cross multiply
    3,144.03x = 4,336.81 × 2,261.01
  4. Step 4: Simplify right side
    3,144.03x = 9,805,570.78
  5. Step 5: Solve for x
    x = 9,805,570.78/3,144.03
  6. Step 6: Final answer
    x = 3,118.79

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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.