Home / 2,645.24-3,966.74-1,183.58

Finding the Fourth Proportional to 2,645.24, 3,966.74 and 1,183.58

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Solution

The fourth proportional to 2,645.24, 3,966.74 and 1,183.58 is: 1,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.24 : 3,966.74 = 1,183.58 : x
  2. Step 2: Convert to fraction form
    2,645.24/3,966.74 = 1,183.58/x
  3. Step 3: Cross multiply
    2,645.24x = 3,966.74 × 1,183.58
  4. Step 4: Simplify right side
    2,645.24x = 4,694,954.13
  5. Step 5: Solve for x
    x = 4,694,954.13/2,645.24
  6. Step 6: Final answer
    x = 1,774.87

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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.