Home / 2,768.35-4,152.43-1,124.46

Finding the Fourth Proportional to 2,768.35, 4,152.43 and 1,124.46

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Solution

The fourth proportional to 2,768.35, 4,152.43 and 1,124.46 is: 1,686.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.35 : 4,152.43 = 1,124.46 : x
  2. Step 2: Convert to fraction form
    2,768.35/4,152.43 = 1,124.46/x
  3. Step 3: Cross multiply
    2,768.35x = 4,152.43 × 1,124.46
  4. Step 4: Simplify right side
    2,768.35x = 4,669,241.44
  5. Step 5: Solve for x
    x = 4,669,241.44/2,768.35
  6. Step 6: Final answer
    x = 1,686.65

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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.