Home / 1,828.97-2,520.06-1,238.48

Finding the Fourth Proportional to 1,828.97, 2,520.06 and 1,238.48

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Solution

The fourth proportional to 1,828.97, 2,520.06 and 1,238.48 is: 1,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,828.97 : 2,520.06 = 1,238.48 : x
  2. Step 2: Convert to fraction form
    1,828.97/2,520.06 = 1,238.48/x
  3. Step 3: Cross multiply
    1,828.97x = 2,520.06 × 1,238.48
  4. Step 4: Simplify right side
    1,828.97x = 3,121,043.91
  5. Step 5: Solve for x
    x = 3,121,043.91/1,828.97
  6. Step 6: Final answer
    x = 1,706.45

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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.