Home / 2,536.28-3,805.66-1,425

Finding the Fourth Proportional to 2,536.28, 3,805.66 and 1,425

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Solution

The fourth proportional to 2,536.28, 3,805.66 and 1,425 is: 2,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536.28 : 3,805.66 = 1,425 : x
  2. Step 2: Convert to fraction form
    2,536.28/3,805.66 = 1,425/x
  3. Step 3: Cross multiply
    2,536.28x = 3,805.66 × 1,425
  4. Step 4: Simplify right side
    2,536.28x = 5,423,065.50
  5. Step 5: Solve for x
    x = 5,423,065.50/2,536.28
  6. Step 6: Final answer
    x = 2,138.20

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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.