Home / 2,635.15-3,953.23-786.22

Finding the Fourth Proportional to 2,635.15, 3,953.23 and 786.22

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Solution

The fourth proportional to 2,635.15, 3,953.23 and 786.22 is: 1,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.15 : 3,953.23 = 786.22 : x
  2. Step 2: Convert to fraction form
    2,635.15/3,953.23 = 786.22/x
  3. Step 3: Cross multiply
    2,635.15x = 3,953.23 × 786.22
  4. Step 4: Simplify right side
    2,635.15x = 3,108,108.49
  5. Step 5: Solve for x
    x = 3,108,108.49/2,635.15
  6. Step 6: Final answer
    x = 1,179.48

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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.