Home / 2,818.70-4,229.56-1,176.37

Finding the Fourth Proportional to 2,818.70, 4,229.56 and 1,176.37

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Solution

The fourth proportional to 2,818.70, 4,229.56 and 1,176.37 is: 1,765.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.70 : 4,229.56 = 1,176.37 : x
  2. Step 2: Convert to fraction form
    2,818.70/4,229.56 = 1,176.37/x
  3. Step 3: Cross multiply
    2,818.70x = 4,229.56 × 1,176.37
  4. Step 4: Simplify right side
    2,818.70x = 4,975,506.35
  5. Step 5: Solve for x
    x = 4,975,506.35/2,818.70
  6. Step 6: Final answer
    x = 1,765.18

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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.