Home / 3,091.76-4,639.72-2,052.96

Finding the Fourth Proportional to 3,091.76, 4,639.72 and 2,052.96

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Solution

The fourth proportional to 3,091.76, 4,639.72 and 2,052.96 is: 3,080.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.76 : 4,639.72 = 2,052.96 : x
  2. Step 2: Convert to fraction form
    3,091.76/4,639.72 = 2,052.96/x
  3. Step 3: Cross multiply
    3,091.76x = 4,639.72 × 2,052.96
  4. Step 4: Simplify right side
    3,091.76x = 9,525,159.57
  5. Step 5: Solve for x
    x = 9,525,159.57/3,091.76
  6. Step 6: Final answer
    x = 3,080.82

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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.