Home / 1,124.13-1,682.71-1,028.44

Finding the Fourth Proportional to 1,124.13, 1,682.71 and 1,028.44

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Solution

The fourth proportional to 1,124.13, 1,682.71 and 1,028.44 is: 1,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.13 : 1,682.71 = 1,028.44 : x
  2. Step 2: Convert to fraction form
    1,124.13/1,682.71 = 1,028.44/x
  3. Step 3: Cross multiply
    1,124.13x = 1,682.71 × 1,028.44
  4. Step 4: Simplify right side
    1,124.13x = 1,730,566.27
  5. Step 5: Solve for x
    x = 1,730,566.27/1,124.13
  6. Step 6: Final answer
    x = 1,539.47

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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.