Home / 3,530.23-4,871.63-2,185.48

Finding the Fourth Proportional to 3,530.23, 4,871.63 and 2,185.48

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Solution

The fourth proportional to 3,530.23, 4,871.63 and 2,185.48 is: 3,015.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.23 : 4,871.63 = 2,185.48 : x
  2. Step 2: Convert to fraction form
    3,530.23/4,871.63 = 2,185.48/x
  3. Step 3: Cross multiply
    3,530.23x = 4,871.63 × 2,185.48
  4. Step 4: Simplify right side
    3,530.23x = 10,646,843.22
  5. Step 5: Solve for x
    x = 10,646,843.22/3,530.23
  6. Step 6: Final answer
    x = 3,015.91

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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.