Home / 2,999.38-4,497.93-1,438.41

Finding the Fourth Proportional to 2,999.38, 4,497.93 and 1,438.41

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Solution

The fourth proportional to 2,999.38, 4,497.93 and 1,438.41 is: 2,157.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.38 : 4,497.93 = 1,438.41 : x
  2. Step 2: Convert to fraction form
    2,999.38/4,497.93 = 1,438.41/x
  3. Step 3: Cross multiply
    2,999.38x = 4,497.93 × 1,438.41
  4. Step 4: Simplify right side
    2,999.38x = 6,469,859.06
  5. Step 5: Solve for x
    x = 6,469,859.06/2,999.38
  6. Step 6: Final answer
    x = 2,157.07

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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.