Home / 3,144.09-4,718.84-1,499.79

Finding the Fourth Proportional to 3,144.09, 4,718.84 and 1,499.79

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Solution

The fourth proportional to 3,144.09, 4,718.84 and 1,499.79 is: 2,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.09 : 4,718.84 = 1,499.79 : x
  2. Step 2: Convert to fraction form
    3,144.09/4,718.84 = 1,499.79/x
  3. Step 3: Cross multiply
    3,144.09x = 4,718.84 × 1,499.79
  4. Step 4: Simplify right side
    3,144.09x = 7,077,261.54
  5. Step 5: Solve for x
    x = 7,077,261.54/3,144.09
  6. Step 6: Final answer
    x = 2,250.97

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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.