Home / 2,558.92-3,838.38-1,693.03

Finding the Fourth Proportional to 2,558.92, 3,838.38 and 1,693.03

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Solution

The fourth proportional to 2,558.92, 3,838.38 and 1,693.03 is: 2,539.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.92 : 3,838.38 = 1,693.03 : x
  2. Step 2: Convert to fraction form
    2,558.92/3,838.38 = 1,693.03/x
  3. Step 3: Cross multiply
    2,558.92x = 3,838.38 × 1,693.03
  4. Step 4: Simplify right side
    2,558.92x = 6,498,492.49
  5. Step 5: Solve for x
    x = 6,498,492.49/2,558.92
  6. Step 6: Final answer
    x = 2,539.55

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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.