Home / 1,512.41-2,268.78-416.85

Finding the Fourth Proportional to 1,512.41, 2,268.78 and 416.85

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Solution

The fourth proportional to 1,512.41, 2,268.78 and 416.85 is: 625.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.41 : 2,268.78 = 416.85 : x
  2. Step 2: Convert to fraction form
    1,512.41/2,268.78 = 416.85/x
  3. Step 3: Cross multiply
    1,512.41x = 2,268.78 × 416.85
  4. Step 4: Simplify right side
    1,512.41x = 945,730.87
  5. Step 5: Solve for x
    x = 945,730.87/1,512.41
  6. Step 6: Final answer
    x = 625.32

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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.