Home / 3,386.78-5,080.64-1,046.97

Finding the Fourth Proportional to 3,386.78, 5,080.64 and 1,046.97

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Solution

The fourth proportional to 3,386.78, 5,080.64 and 1,046.97 is: 1,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.78 : 5,080.64 = 1,046.97 : x
  2. Step 2: Convert to fraction form
    3,386.78/5,080.64 = 1,046.97/x
  3. Step 3: Cross multiply
    3,386.78x = 5,080.64 × 1,046.97
  4. Step 4: Simplify right side
    3,386.78x = 5,319,272.43
  5. Step 5: Solve for x
    x = 5,319,272.43/3,386.78
  6. Step 6: Final answer
    x = 1,570.60

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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.