Home / 3,946.03-5,445.57-2,177.62

Finding the Fourth Proportional to 3,946.03, 5,445.57 and 2,177.62

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Solution

The fourth proportional to 3,946.03, 5,445.57 and 2,177.62 is: 3,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.03 : 5,445.57 = 2,177.62 : x
  2. Step 2: Convert to fraction form
    3,946.03/5,445.57 = 2,177.62/x
  3. Step 3: Cross multiply
    3,946.03x = 5,445.57 × 2,177.62
  4. Step 4: Simplify right side
    3,946.03x = 11,858,382.14
  5. Step 5: Solve for x
    x = 11,858,382.14/3,946.03
  6. Step 6: Final answer
    x = 3,005.14

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1.5x scale

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.