Home / 2,720.03-4,078.22-1,076.13

Finding the Fourth Proportional to 2,720.03, 4,078.22 and 1,076.13

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Solution

The fourth proportional to 2,720.03, 4,078.22 and 1,076.13 is: 1,613.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.03 : 4,078.22 = 1,076.13 : x
  2. Step 2: Convert to fraction form
    2,720.03/4,078.22 = 1,076.13/x
  3. Step 3: Cross multiply
    2,720.03x = 4,078.22 × 1,076.13
  4. Step 4: Simplify right side
    2,720.03x = 4,388,689.51
  5. Step 5: Solve for x
    x = 4,388,689.51/2,720.03
  6. Step 6: Final answer
    x = 1,613.47

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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.