Home / 1,028.88-1,411.56-1,001.52

Finding the Fourth Proportional to 1,028.88, 1,411.56 and 1,001.52

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Solution

The fourth proportional to 1,028.88, 1,411.56 and 1,001.52 is: 1,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.88 : 1,411.56 = 1,001.52 : x
  2. Step 2: Convert to fraction form
    1,028.88/1,411.56 = 1,001.52/x
  3. Step 3: Cross multiply
    1,028.88x = 1,411.56 × 1,001.52
  4. Step 4: Simplify right side
    1,028.88x = 1,413,705.57
  5. Step 5: Solve for x
    x = 1,413,705.57/1,028.88
  6. Step 6: Final answer
    x = 1,374.02

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.