Home / 3,626.54-5,430.33-1,979.69

Finding the Fourth Proportional to 3,626.54, 5,430.33 and 1,979.69

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Solution

The fourth proportional to 3,626.54, 5,430.33 and 1,979.69 is: 2,964.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,626.54 : 5,430.33 = 1,979.69 : x
  2. Step 2: Convert to fraction form
    3,626.54/5,430.33 = 1,979.69/x
  3. Step 3: Cross multiply
    3,626.54x = 5,430.33 × 1,979.69
  4. Step 4: Simplify right side
    3,626.54x = 10,750,342.85
  5. Step 5: Solve for x
    x = 10,750,342.85/3,626.54
  6. Step 6: Final answer
    x = 2,964.36

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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.