Home / 1,354.36-1,868.46-1,044.28

Finding the Fourth Proportional to 1,354.36, 1,868.46 and 1,044.28

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Solution

The fourth proportional to 1,354.36, 1,868.46 and 1,044.28 is: 1,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.36 : 1,868.46 = 1,044.28 : x
  2. Step 2: Convert to fraction form
    1,354.36/1,868.46 = 1,044.28/x
  3. Step 3: Cross multiply
    1,354.36x = 1,868.46 × 1,044.28
  4. Step 4: Simplify right side
    1,354.36x = 1,951,195.41
  5. Step 5: Solve for x
    x = 1,951,195.41/1,354.36
  6. Step 6: Final answer
    x = 1,440.68

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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.