Home / 1,512.38-2,268.20-416.84

Finding the Fourth Proportional to 1,512.38, 2,268.20 and 416.84

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Solution

The fourth proportional to 1,512.38, 2,268.20 and 416.84 is: 625.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.38 : 2,268.20 = 416.84 : x
  2. Step 2: Convert to fraction form
    1,512.38/2,268.20 = 416.84/x
  3. Step 3: Cross multiply
    1,512.38x = 2,268.20 × 416.84
  4. Step 4: Simplify right side
    1,512.38x = 945,463.06
  5. Step 5: Solve for x
    x = 945,463.06/1,512.38
  6. Step 6: Final answer
    x = 625.15

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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.