Home / 3,074.84-4,609.50-1,125.68

Finding the Fourth Proportional to 3,074.84, 4,609.50 and 1,125.68

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Solution

The fourth proportional to 3,074.84, 4,609.50 and 1,125.68 is: 1,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.84 : 4,609.50 = 1,125.68 : x
  2. Step 2: Convert to fraction form
    3,074.84/4,609.50 = 1,125.68/x
  3. Step 3: Cross multiply
    3,074.84x = 4,609.50 × 1,125.68
  4. Step 4: Simplify right side
    3,074.84x = 5,188,821.96
  5. Step 5: Solve for x
    x = 5,188,821.96/3,074.84
  6. Step 6: Final answer
    x = 1,687.51

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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.