Home / 1,742.25-2,404.71-1,183.65

Finding the Fourth Proportional to 1,742.25, 2,404.71 and 1,183.65

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Solution

The fourth proportional to 1,742.25, 2,404.71 and 1,183.65 is: 1,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,742.25 : 2,404.71 = 1,183.65 : x
  2. Step 2: Convert to fraction form
    1,742.25/2,404.71 = 1,183.65/x
  3. Step 3: Cross multiply
    1,742.25x = 2,404.71 × 1,183.65
  4. Step 4: Simplify right side
    1,742.25x = 2,846,334.99
  5. Step 5: Solve for x
    x = 2,846,334.99/1,742.25
  6. Step 6: Final answer
    x = 1,633.71

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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.