Home / 3,074.49-4,610.66-1,688.85

Finding the Fourth Proportional to 3,074.49, 4,610.66 and 1,688.85

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Solution

The fourth proportional to 3,074.49, 4,610.66 and 1,688.85 is: 2,532.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.49 : 4,610.66 = 1,688.85 : x
  2. Step 2: Convert to fraction form
    3,074.49/4,610.66 = 1,688.85/x
  3. Step 3: Cross multiply
    3,074.49x = 4,610.66 × 1,688.85
  4. Step 4: Simplify right side
    3,074.49x = 7,786,704.70
  5. Step 5: Solve for x
    x = 7,786,704.70/3,074.49
  6. Step 6: Final answer
    x = 2,532.68

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1.5x scale

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.