Home / 3,790.34-5,684.36-1,324.70

Finding the Fourth Proportional to 3,790.34, 5,684.36 and 1,324.70

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Solution

The fourth proportional to 3,790.34, 5,684.36 and 1,324.70 is: 1,986.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.34 : 5,684.36 = 1,324.70 : x
  2. Step 2: Convert to fraction form
    3,790.34/5,684.36 = 1,324.70/x
  3. Step 3: Cross multiply
    3,790.34x = 5,684.36 × 1,324.70
  4. Step 4: Simplify right side
    3,790.34x = 7,530,036.65
  5. Step 5: Solve for x
    x = 7,530,036.65/3,790.34
  6. Step 6: Final answer
    x = 1,986.64

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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.