Home / 2,764.38-3,814.59-1,629.87

Finding the Fourth Proportional to 2,764.38, 3,814.59 and 1,629.87

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Solution

The fourth proportional to 2,764.38, 3,814.59 and 1,629.87 is: 2,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.38 : 3,814.59 = 1,629.87 : x
  2. Step 2: Convert to fraction form
    2,764.38/3,814.59 = 1,629.87/x
  3. Step 3: Cross multiply
    2,764.38x = 3,814.59 × 1,629.87
  4. Step 4: Simplify right side
    2,764.38x = 6,217,285.80
  5. Step 5: Solve for x
    x = 6,217,285.80/2,764.38
  6. Step 6: Final answer
    x = 2,249.07

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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.