Home / 3,126.11-4,696.46-1,828.49

Finding the Fourth Proportional to 3,126.11, 4,696.46 and 1,828.49

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Solution

The fourth proportional to 3,126.11, 4,696.46 and 1,828.49 is: 2,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126.11 : 4,696.46 = 1,828.49 : x
  2. Step 2: Convert to fraction form
    3,126.11/4,696.46 = 1,828.49/x
  3. Step 3: Cross multiply
    3,126.11x = 4,696.46 × 1,828.49
  4. Step 4: Simplify right side
    3,126.11x = 8,587,430.15
  5. Step 5: Solve for x
    x = 8,587,430.15/3,126.11
  6. Step 6: Final answer
    x = 2,747.00

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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.