Home / 3,619.14-5,427.98-1,671.06

Finding the Fourth Proportional to 3,619.14, 5,427.98 and 1,671.06

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Solution

The fourth proportional to 3,619.14, 5,427.98 and 1,671.06 is: 2,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.14 : 5,427.98 = 1,671.06 : x
  2. Step 2: Convert to fraction form
    3,619.14/5,427.98 = 1,671.06/x
  3. Step 3: Cross multiply
    3,619.14x = 5,427.98 × 1,671.06
  4. Step 4: Simplify right side
    3,619.14x = 9,070,480.26
  5. Step 5: Solve for x
    x = 9,070,480.26/3,619.14
  6. Step 6: Final answer
    x = 2,506.25

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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.