Home / 2,523.61-3,782.43-1,135.31

Finding the Fourth Proportional to 2,523.61, 3,782.43 and 1,135.31

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Solution

The fourth proportional to 2,523.61, 3,782.43 and 1,135.31 is: 1,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,523.61 : 3,782.43 = 1,135.31 : x
  2. Step 2: Convert to fraction form
    2,523.61/3,782.43 = 1,135.31/x
  3. Step 3: Cross multiply
    2,523.61x = 3,782.43 × 1,135.31
  4. Step 4: Simplify right side
    2,523.61x = 4,294,230.60
  5. Step 5: Solve for x
    x = 4,294,230.60/2,523.61
  6. Step 6: Final answer
    x = 1,701.62

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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.