Home / 3,394.18-4,684.71-1,997.74

Finding the Fourth Proportional to 3,394.18, 4,684.71 and 1,997.74

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Solution

The fourth proportional to 3,394.18, 4,684.71 and 1,997.74 is: 2,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.18 : 4,684.71 = 1,997.74 : x
  2. Step 2: Convert to fraction form
    3,394.18/4,684.71 = 1,997.74/x
  3. Step 3: Cross multiply
    3,394.18x = 4,684.71 × 1,997.74
  4. Step 4: Simplify right side
    3,394.18x = 9,358,832.56
  5. Step 5: Solve for x
    x = 9,358,832.56/3,394.18
  6. Step 6: Final answer
    x = 2,757.32

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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.