Home / 2,176.39-3,264.86-1,080.46

Finding the Fourth Proportional to 2,176.39, 3,264.86 and 1,080.46

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Solution

The fourth proportional to 2,176.39, 3,264.86 and 1,080.46 is: 1,620.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.39 : 3,264.86 = 1,080.46 : x
  2. Step 2: Convert to fraction form
    2,176.39/3,264.86 = 1,080.46/x
  3. Step 3: Cross multiply
    2,176.39x = 3,264.86 × 1,080.46
  4. Step 4: Simplify right side
    2,176.39x = 3,527,550.64
  5. Step 5: Solve for x
    x = 3,527,550.64/2,176.39
  6. Step 6: Final answer
    x = 1,620.83

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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.