Home / 3,131.06-4,695.98-2,974.93

Finding the Fourth Proportional to 3,131.06, 4,695.98 and 2,974.93

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Solution

The fourth proportional to 3,131.06, 4,695.98 and 2,974.93 is: 4,461.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.06 : 4,695.98 = 2,974.93 : x
  2. Step 2: Convert to fraction form
    3,131.06/4,695.98 = 2,974.93/x
  3. Step 3: Cross multiply
    3,131.06x = 4,695.98 × 2,974.93
  4. Step 4: Simplify right side
    3,131.06x = 13,970,185.17
  5. Step 5: Solve for x
    x = 13,970,185.17/3,131.06
  6. Step 6: Final answer
    x = 4,461.81

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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.