Home / 1,043.97-1,566.57-386.31

Finding the Fourth Proportional to 1,043.97, 1,566.57 and 386.31

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Solution

The fourth proportional to 1,043.97, 1,566.57 and 386.31 is: 579.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043.97 : 1,566.57 = 386.31 : x
  2. Step 2: Convert to fraction form
    1,043.97/1,566.57 = 386.31/x
  3. Step 3: Cross multiply
    1,043.97x = 1,566.57 × 386.31
  4. Step 4: Simplify right side
    1,043.97x = 605,181.66
  5. Step 5: Solve for x
    x = 605,181.66/1,043.97
  6. Step 6: Final answer
    x = 579.69

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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.