Home / 1,512.84-2,086.92-1,046.28

Finding the Fourth Proportional to 1,512.84, 2,086.92 and 1,046.28

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Solution

The fourth proportional to 1,512.84, 2,086.92 and 1,046.28 is: 1,443.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.84 : 2,086.92 = 1,046.28 : x
  2. Step 2: Convert to fraction form
    1,512.84/2,086.92 = 1,046.28/x
  3. Step 3: Cross multiply
    1,512.84x = 2,086.92 × 1,046.28
  4. Step 4: Simplify right side
    1,512.84x = 2,183,502.66
  5. Step 5: Solve for x
    x = 2,183,502.66/1,512.84
  6. Step 6: Final answer
    x = 1,443.31

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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.