Home / 3,528.22-4,871.73-2,864.02

Finding the Fourth Proportional to 3,528.22, 4,871.73 and 2,864.02

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Solution

The fourth proportional to 3,528.22, 4,871.73 and 2,864.02 is: 3,954.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.22 : 4,871.73 = 2,864.02 : x
  2. Step 2: Convert to fraction form
    3,528.22/4,871.73 = 2,864.02/x
  3. Step 3: Cross multiply
    3,528.22x = 4,871.73 × 2,864.02
  4. Step 4: Simplify right side
    3,528.22x = 13,952,732.15
  5. Step 5: Solve for x
    x = 13,952,732.15/3,528.22
  6. Step 6: Final answer
    x = 3,954.61

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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.