Home / 3,654.40-5,042.32-2,162.36

Finding the Fourth Proportional to 3,654.40, 5,042.32 and 2,162.36

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Solution

The fourth proportional to 3,654.40, 5,042.32 and 2,162.36 is: 2,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.40 : 5,042.32 = 2,162.36 : x
  2. Step 2: Convert to fraction form
    3,654.40/5,042.32 = 2,162.36/x
  3. Step 3: Cross multiply
    3,654.40x = 5,042.32 × 2,162.36
  4. Step 4: Simplify right side
    3,654.40x = 10,903,311.08
  5. Step 5: Solve for x
    x = 10,903,311.08/3,654.40
  6. Step 6: Final answer
    x = 2,983.61

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1.5x scale

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.