Home / 3,717.90-5,576.58-1,377.81

Finding the Fourth Proportional to 3,717.90, 5,576.58 and 1,377.81

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Solution

The fourth proportional to 3,717.90, 5,576.58 and 1,377.81 is: 2,066.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.90 : 5,576.58 = 1,377.81 : x
  2. Step 2: Convert to fraction form
    3,717.90/5,576.58 = 1,377.81/x
  3. Step 3: Cross multiply
    3,717.90x = 5,576.58 × 1,377.81
  4. Step 4: Simplify right side
    3,717.90x = 7,683,467.69
  5. Step 5: Solve for x
    x = 7,683,467.69/3,717.90
  6. Step 6: Final answer
    x = 2,066.61

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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.