Home / 3,717.38-5,576.24-1,218.71

Finding the Fourth Proportional to 3,717.38, 5,576.24 and 1,218.71

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Solution

The fourth proportional to 3,717.38, 5,576.24 and 1,218.71 is: 1,828.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.38 : 5,576.24 = 1,218.71 : x
  2. Step 2: Convert to fraction form
    3,717.38/5,576.24 = 1,218.71/x
  3. Step 3: Cross multiply
    3,717.38x = 5,576.24 × 1,218.71
  4. Step 4: Simplify right side
    3,717.38x = 6,795,829.58
  5. Step 5: Solve for x
    x = 6,795,829.58/3,717.38
  6. Step 6: Final answer
    x = 1,828.12

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1.5x scale

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.