Home / 3,946.76-5,446.67-2,268.21

Finding the Fourth Proportional to 3,946.76, 5,446.67 and 2,268.21

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Solution

The fourth proportional to 3,946.76, 5,446.67 and 2,268.21 is: 3,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.76 : 5,446.67 = 2,268.21 : x
  2. Step 2: Convert to fraction form
    3,946.76/5,446.67 = 2,268.21/x
  3. Step 3: Cross multiply
    3,946.76x = 5,446.67 × 2,268.21
  4. Step 4: Simplify right side
    3,946.76x = 12,354,180.02
  5. Step 5: Solve for x
    x = 12,354,180.02/3,946.76
  6. Step 6: Final answer
    x = 3,130.21

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Half scale
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Double scale
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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.