Home / 2,523.30-3,786-1,135.68

Finding the Fourth Proportional to 2,523.30, 3,786 and 1,135.68

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Solution

The fourth proportional to 2,523.30, 3,786 and 1,135.68 is: 1,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.30 : 3,786 = 1,135.68 : x
  2. Step 2: Convert to fraction form
    2,523.30/3,786 = 1,135.68/x
  3. Step 3: Cross multiply
    2,523.30x = 3,786 × 1,135.68
  4. Step 4: Simplify right side
    2,523.30x = 4,299,684.48
  5. Step 5: Solve for x
    x = 4,299,684.48/2,523.30
  6. Step 6: Final answer
    x = 1,703.99

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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.