Home / 2,825.76-4,238.63-1,363.88

Finding the Fourth Proportional to 2,825.76, 4,238.63 and 1,363.88

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Solution

The fourth proportional to 2,825.76, 4,238.63 and 1,363.88 is: 2,045.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.76 : 4,238.63 = 1,363.88 : x
  2. Step 2: Convert to fraction form
    2,825.76/4,238.63 = 1,363.88/x
  3. Step 3: Cross multiply
    2,825.76x = 4,238.63 × 1,363.88
  4. Step 4: Simplify right side
    2,825.76x = 5,780,982.68
  5. Step 5: Solve for x
    x = 5,780,982.68/2,825.76
  6. Step 6: Final answer
    x = 2,045.82

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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.