Home / 3,206.91-4,812.39-1,259.07

Finding the Fourth Proportional to 3,206.91, 4,812.39 and 1,259.07

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Solution

The fourth proportional to 3,206.91, 4,812.39 and 1,259.07 is: 1,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.91 : 4,812.39 = 1,259.07 : x
  2. Step 2: Convert to fraction form
    3,206.91/4,812.39 = 1,259.07/x
  3. Step 3: Cross multiply
    3,206.91x = 4,812.39 × 1,259.07
  4. Step 4: Simplify right side
    3,206.91x = 6,059,135.88
  5. Step 5: Solve for x
    x = 6,059,135.88/3,206.91
  6. Step 6: Final answer
    x = 1,889.40

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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.