Home / 3,240.12-4,859.94-1,292.76

Finding the Fourth Proportional to 3,240.12, 4,859.94 and 1,292.76

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Solution

The fourth proportional to 3,240.12, 4,859.94 and 1,292.76 is: 1,939.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.12 : 4,859.94 = 1,292.76 : x
  2. Step 2: Convert to fraction form
    3,240.12/4,859.94 = 1,292.76/x
  3. Step 3: Cross multiply
    3,240.12x = 4,859.94 × 1,292.76
  4. Step 4: Simplify right side
    3,240.12x = 6,282,736.03
  5. Step 5: Solve for x
    x = 6,282,736.03/3,240.12
  6. Step 6: Final answer
    x = 1,939.04

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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.