Home / 4,170.74-5,756.41-2,680.54

Finding the Fourth Proportional to 4,170.74, 5,756.41 and 2,680.54

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Solution

The fourth proportional to 4,170.74, 5,756.41 and 2,680.54 is: 3,699.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.74 : 5,756.41 = 2,680.54 : x
  2. Step 2: Convert to fraction form
    4,170.74/5,756.41 = 2,680.54/x
  3. Step 3: Cross multiply
    4,170.74x = 5,756.41 × 2,680.54
  4. Step 4: Simplify right side
    4,170.74x = 15,430,276.22
  5. Step 5: Solve for x
    x = 15,430,276.22/4,170.74
  6. Step 6: Final answer
    x = 3,699.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.