Home / 2,177.69-3,004.43-1,337.85

Finding the Fourth Proportional to 2,177.69, 3,004.43 and 1,337.85

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Solution

The fourth proportional to 2,177.69, 3,004.43 and 1,337.85 is: 1,845.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.69 : 3,004.43 = 1,337.85 : x
  2. Step 2: Convert to fraction form
    2,177.69/3,004.43 = 1,337.85/x
  3. Step 3: Cross multiply
    2,177.69x = 3,004.43 × 1,337.85
  4. Step 4: Simplify right side
    2,177.69x = 4,019,469.99
  5. Step 5: Solve for x
    x = 4,019,469.99/2,177.69
  6. Step 6: Final answer
    x = 1,845.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.