Home / 3,756.41-5,183.81-2,077.89

Finding the Fourth Proportional to 3,756.41, 5,183.81 and 2,077.89

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Solution

The fourth proportional to 3,756.41, 5,183.81 and 2,077.89 is: 2,867.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.41 : 5,183.81 = 2,077.89 : x
  2. Step 2: Convert to fraction form
    3,756.41/5,183.81 = 2,077.89/x
  3. Step 3: Cross multiply
    3,756.41x = 5,183.81 × 2,077.89
  4. Step 4: Simplify right side
    3,756.41x = 10,771,386.96
  5. Step 5: Solve for x
    x = 10,771,386.96/3,756.41
  6. Step 6: Final answer
    x = 2,867.47

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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.