Home / 3,450.59-5,176.25-1,259.79

Finding the Fourth Proportional to 3,450.59, 5,176.25 and 1,259.79

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Solution

The fourth proportional to 3,450.59, 5,176.25 and 1,259.79 is: 1,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.59 : 5,176.25 = 1,259.79 : x
  2. Step 2: Convert to fraction form
    3,450.59/5,176.25 = 1,259.79/x
  3. Step 3: Cross multiply
    3,450.59x = 5,176.25 × 1,259.79
  4. Step 4: Simplify right side
    3,450.59x = 6,520,981.69
  5. Step 5: Solve for x
    x = 6,520,981.69/3,450.59
  6. Step 6: Final answer
    x = 1,889.82

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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.