Home / 3,918.51-5,880.06-1,455.04

Finding the Fourth Proportional to 3,918.51, 5,880.06 and 1,455.04

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Solution

The fourth proportional to 3,918.51, 5,880.06 and 1,455.04 is: 2,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918.51 : 5,880.06 = 1,455.04 : x
  2. Step 2: Convert to fraction form
    3,918.51/5,880.06 = 1,455.04/x
  3. Step 3: Cross multiply
    3,918.51x = 5,880.06 × 1,455.04
  4. Step 4: Simplify right side
    3,918.51x = 8,555,707.80
  5. Step 5: Solve for x
    x = 8,555,707.80/3,918.51
  6. Step 6: Final answer
    x = 2,183.41

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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.