Home / 3,530.35-4,871.81-2,185.60

Finding the Fourth Proportional to 3,530.35, 4,871.81 and 2,185.60

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Solution

The fourth proportional to 3,530.35, 4,871.81 and 2,185.60 is: 3,016.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.35 : 4,871.81 = 2,185.60 : x
  2. Step 2: Convert to fraction form
    3,530.35/4,871.81 = 2,185.60/x
  3. Step 3: Cross multiply
    3,530.35x = 4,871.81 × 2,185.60
  4. Step 4: Simplify right side
    3,530.35x = 10,647,827.94
  5. Step 5: Solve for x
    x = 10,647,827.94/3,530.35
  6. Step 6: Final answer
    x = 3,016.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.