Home / 3,394.13-4,684.17-1,997.15

Finding the Fourth Proportional to 3,394.13, 4,684.17 and 1,997.15

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Solution

The fourth proportional to 3,394.13, 4,684.17 and 1,997.15 is: 2,756.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394.13 : 4,684.17 = 1,997.15 : x
  2. Step 2: Convert to fraction form
    3,394.13/4,684.17 = 1,997.15/x
  3. Step 3: Cross multiply
    3,394.13x = 4,684.17 × 1,997.15
  4. Step 4: Simplify right side
    3,394.13x = 9,354,966.69
  5. Step 5: Solve for x
    x = 9,354,966.69/3,394.13
  6. Step 6: Final answer
    x = 2,756.22

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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.