Home / 3,149.49-4,724.64-1,069.68

Finding the Fourth Proportional to 3,149.49, 4,724.64 and 1,069.68

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Solution

The fourth proportional to 3,149.49, 4,724.64 and 1,069.68 is: 1,604.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.49 : 4,724.64 = 1,069.68 : x
  2. Step 2: Convert to fraction form
    3,149.49/4,724.64 = 1,069.68/x
  3. Step 3: Cross multiply
    3,149.49x = 4,724.64 × 1,069.68
  4. Step 4: Simplify right side
    3,149.49x = 5,053,852.92
  5. Step 5: Solve for x
    x = 5,053,852.92/3,149.49
  6. Step 6: Final answer
    x = 1,604.66

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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.