Home / 1,512.31-2,268.59-416.76

Finding the Fourth Proportional to 1,512.31, 2,268.59 and 416.76

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Solution

The fourth proportional to 1,512.31, 2,268.59 and 416.76 is: 625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.31 : 2,268.59 = 416.76 : x
  2. Step 2: Convert to fraction form
    1,512.31/2,268.59 = 416.76/x
  3. Step 3: Cross multiply
    1,512.31x = 2,268.59 × 416.76
  4. Step 4: Simplify right side
    1,512.31x = 945,455.48
  5. Step 5: Solve for x
    x = 945,455.48/1,512.31
  6. Step 6: Final answer
    x = 625.17

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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.