Home / 2,767.77-4,151.84-1,308.33

Finding the Fourth Proportional to 2,767.77, 4,151.84 and 1,308.33

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Solution

The fourth proportional to 2,767.77, 4,151.84 and 1,308.33 is: 1,962.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.77 : 4,151.84 = 1,308.33 : x
  2. Step 2: Convert to fraction form
    2,767.77/4,151.84 = 1,308.33/x
  3. Step 3: Cross multiply
    2,767.77x = 4,151.84 × 1,308.33
  4. Step 4: Simplify right side
    2,767.77x = 5,431,970.29
  5. Step 5: Solve for x
    x = 5,431,970.29/2,767.77
  6. Step 6: Final answer
    x = 1,962.58

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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.