Home / 3,670.85-5,063.46-2,177.70

Finding the Fourth Proportional to 3,670.85, 5,063.46 and 2,177.70

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Solution

The fourth proportional to 3,670.85, 5,063.46 and 2,177.70 is: 3,003.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.85 : 5,063.46 = 2,177.70 : x
  2. Step 2: Convert to fraction form
    3,670.85/5,063.46 = 2,177.70/x
  3. Step 3: Cross multiply
    3,670.85x = 5,063.46 × 2,177.70
  4. Step 4: Simplify right side
    3,670.85x = 11,026,696.84
  5. Step 5: Solve for x
    x = 11,026,696.84/3,670.85
  6. Step 6: Final answer
    x = 3,003.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.