Home / 3,717.50-5,576.25-1,120.37

Finding the Fourth Proportional to 3,717.50, 5,576.25 and 1,120.37

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Solution

The fourth proportional to 3,717.50, 5,576.25 and 1,120.37 is: 1,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.50 : 5,576.25 = 1,120.37 : x
  2. Step 2: Convert to fraction form
    3,717.50/5,576.25 = 1,120.37/x
  3. Step 3: Cross multiply
    3,717.50x = 5,576.25 × 1,120.37
  4. Step 4: Simplify right side
    3,717.50x = 6,247,463.21
  5. Step 5: Solve for x
    x = 6,247,463.21/3,717.50
  6. Step 6: Final answer
    x = 1,680.56

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Double scale
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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.