Home / 2,785.30-4,174.70-1,550.86

Finding the Fourth Proportional to 2,785.30, 4,174.70 and 1,550.86

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Solution

The fourth proportional to 2,785.30, 4,174.70 and 1,550.86 is: 2,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.30 : 4,174.70 = 1,550.86 : x
  2. Step 2: Convert to fraction form
    2,785.30/4,174.70 = 1,550.86/x
  3. Step 3: Cross multiply
    2,785.30x = 4,174.70 × 1,550.86
  4. Step 4: Simplify right side
    2,785.30x = 6,474,375.24
  5. Step 5: Solve for x
    x = 6,474,375.24/2,785.30
  6. Step 6: Final answer
    x = 2,324.48

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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.