Home / 3,080.77-4,618.06-1,326.51

Finding the Fourth Proportional to 3,080.77, 4,618.06 and 1,326.51

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Solution

The fourth proportional to 3,080.77, 4,618.06 and 1,326.51 is: 1,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.77 : 4,618.06 = 1,326.51 : x
  2. Step 2: Convert to fraction form
    3,080.77/4,618.06 = 1,326.51/x
  3. Step 3: Cross multiply
    3,080.77x = 4,618.06 × 1,326.51
  4. Step 4: Simplify right side
    3,080.77x = 6,125,906.92
  5. Step 5: Solve for x
    x = 6,125,906.92/3,080.77
  6. Step 6: Final answer
    x = 1,988.44

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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.