Home / 3,371.44-5,054.28-1,320.88

Finding the Fourth Proportional to 3,371.44, 5,054.28 and 1,320.88

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Solution

The fourth proportional to 3,371.44, 5,054.28 and 1,320.88 is: 1,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.44 : 5,054.28 = 1,320.88 : x
  2. Step 2: Convert to fraction form
    3,371.44/5,054.28 = 1,320.88/x
  3. Step 3: Cross multiply
    3,371.44x = 5,054.28 × 1,320.88
  4. Step 4: Simplify right side
    3,371.44x = 6,676,097.37
  5. Step 5: Solve for x
    x = 6,676,097.37/3,371.44
  6. Step 6: Final answer
    x = 1,980.19

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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.