Home / 4,126.28-6,190.19-1,661.30

Finding the Fourth Proportional to 4,126.28, 6,190.19 and 1,661.30

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Solution

The fourth proportional to 4,126.28, 6,190.19 and 1,661.30 is: 2,492.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.28 : 6,190.19 = 1,661.30 : x
  2. Step 2: Convert to fraction form
    4,126.28/6,190.19 = 1,661.30/x
  3. Step 3: Cross multiply
    4,126.28x = 6,190.19 × 1,661.30
  4. Step 4: Simplify right side
    4,126.28x = 10,283,723.39
  5. Step 5: Solve for x
    x = 10,283,723.39/4,126.28
  6. Step 6: Final answer
    x = 2,492.25

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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.