Home / 4,126.26-6,190.31-2,047.40

Finding the Fourth Proportional to 4,126.26, 6,190.31 and 2,047.40

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Solution

The fourth proportional to 4,126.26, 6,190.31 and 2,047.40 is: 3,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,126.26 : 6,190.31 = 2,047.40 : x
  2. Step 2: Convert to fraction form
    4,126.26/6,190.31 = 2,047.40/x
  3. Step 3: Cross multiply
    4,126.26x = 6,190.31 × 2,047.40
  4. Step 4: Simplify right side
    4,126.26x = 12,674,040.69
  5. Step 5: Solve for x
    x = 12,674,040.69/4,126.26
  6. Step 6: Final answer
    x = 3,071.56

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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.