Home / 2,521.45-3,782.58-1,135.27

Finding the Fourth Proportional to 2,521.45, 3,782.58 and 1,135.27

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Solution

The fourth proportional to 2,521.45, 3,782.58 and 1,135.27 is: 1,703.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521.45 : 3,782.58 = 1,135.27 : x
  2. Step 2: Convert to fraction form
    2,521.45/3,782.58 = 1,135.27/x
  3. Step 3: Cross multiply
    2,521.45x = 3,782.58 × 1,135.27
  4. Step 4: Simplify right side
    2,521.45x = 4,294,249.60
  5. Step 5: Solve for x
    x = 4,294,249.60/2,521.45
  6. Step 6: Final answer
    x = 1,703.09

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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.