Home / 2,126.82-3,193.20-1,401.06

Finding the Fourth Proportional to 2,126.82, 3,193.20 and 1,401.06

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Solution

The fourth proportional to 2,126.82, 3,193.20 and 1,401.06 is: 2,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126.82 : 3,193.20 = 1,401.06 : x
  2. Step 2: Convert to fraction form
    2,126.82/3,193.20 = 1,401.06/x
  3. Step 3: Cross multiply
    2,126.82x = 3,193.20 × 1,401.06
  4. Step 4: Simplify right side
    2,126.82x = 4,473,864.79
  5. Step 5: Solve for x
    x = 4,473,864.79/2,126.82
  6. Step 6: Final answer
    x = 2,103.55

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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.