Home / 3,396.97-5,091.96-1,423.76

Finding the Fourth Proportional to 3,396.97, 5,091.96 and 1,423.76

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Solution

The fourth proportional to 3,396.97, 5,091.96 and 1,423.76 is: 2,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.97 : 5,091.96 = 1,423.76 : x
  2. Step 2: Convert to fraction form
    3,396.97/5,091.96 = 1,423.76/x
  3. Step 3: Cross multiply
    3,396.97x = 5,091.96 × 1,423.76
  4. Step 4: Simplify right side
    3,396.97x = 7,249,728.97
  5. Step 5: Solve for x
    x = 7,249,728.97/3,396.97
  6. Step 6: Final answer
    x = 2,134.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.