Home / 3,118.53-4,696.24-2,712.56

Finding the Fourth Proportional to 3,118.53, 4,696.24 and 2,712.56

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Solution

The fourth proportional to 3,118.53, 4,696.24 and 2,712.56 is: 4,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.53 : 4,696.24 = 2,712.56 : x
  2. Step 2: Convert to fraction form
    3,118.53/4,696.24 = 2,712.56/x
  3. Step 3: Cross multiply
    3,118.53x = 4,696.24 × 2,712.56
  4. Step 4: Simplify right side
    3,118.53x = 12,738,851.04
  5. Step 5: Solve for x
    x = 12,738,851.04/3,118.53
  6. Step 6: Final answer
    x = 4,084.90

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.