Home / 1,515.77-2,092.94-1,183.61

Finding the Fourth Proportional to 1,515.77, 2,092.94 and 1,183.61

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Solution

The fourth proportional to 1,515.77, 2,092.94 and 1,183.61 is: 1,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515.77 : 2,092.94 = 1,183.61 : x
  2. Step 2: Convert to fraction form
    1,515.77/2,092.94 = 1,183.61/x
  3. Step 3: Cross multiply
    1,515.77x = 2,092.94 × 1,183.61
  4. Step 4: Simplify right side
    1,515.77x = 2,477,224.71
  5. Step 5: Solve for x
    x = 2,477,224.71/1,515.77
  6. Step 6: Final answer
    x = 1,634.30

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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.