Home / 3,470.49-5,205.56-1,279.04

Finding the Fourth Proportional to 3,470.49, 5,205.56 and 1,279.04

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Solution

The fourth proportional to 3,470.49, 5,205.56 and 1,279.04 is: 1,918.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.49 : 5,205.56 = 1,279.04 : x
  2. Step 2: Convert to fraction form
    3,470.49/5,205.56 = 1,279.04/x
  3. Step 3: Cross multiply
    3,470.49x = 5,205.56 × 1,279.04
  4. Step 4: Simplify right side
    3,470.49x = 6,658,087.04
  5. Step 5: Solve for x
    x = 6,658,087.04/3,470.49
  6. Step 6: Final answer
    x = 1,918.49

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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.