Home / 3,451.08-5,176.09-1,259.81

Finding the Fourth Proportional to 3,451.08, 5,176.09 and 1,259.81

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Solution

The fourth proportional to 3,451.08, 5,176.09 and 1,259.81 is: 1,889.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.08 : 5,176.09 = 1,259.81 : x
  2. Step 2: Convert to fraction form
    3,451.08/5,176.09 = 1,259.81/x
  3. Step 3: Cross multiply
    3,451.08x = 5,176.09 × 1,259.81
  4. Step 4: Simplify right side
    3,451.08x = 6,520,883.64
  5. Step 5: Solve for x
    x = 6,520,883.64/3,451.08
  6. Step 6: Final answer
    x = 1,889.52

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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.