Home / 3,127.55-4,696.69-2,776.94

Finding the Fourth Proportional to 3,127.55, 4,696.69 and 2,776.94

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Solution

The fourth proportional to 3,127.55, 4,696.69 and 2,776.94 is: 4,170.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.55 : 4,696.69 = 2,776.94 : x
  2. Step 2: Convert to fraction form
    3,127.55/4,696.69 = 2,776.94/x
  3. Step 3: Cross multiply
    3,127.55x = 4,696.69 × 2,776.94
  4. Step 4: Simplify right side
    3,127.55x = 13,042,426.33
  5. Step 5: Solve for x
    x = 13,042,426.33/3,127.55
  6. Step 6: Final answer
    x = 4,170.17

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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.