Home / 3,242.24-4,474.70-1,917.08

Finding the Fourth Proportional to 3,242.24, 4,474.70 and 1,917.08

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Solution

The fourth proportional to 3,242.24, 4,474.70 and 1,917.08 is: 2,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.24 : 4,474.70 = 1,917.08 : x
  2. Step 2: Convert to fraction form
    3,242.24/4,474.70 = 1,917.08/x
  3. Step 3: Cross multiply
    3,242.24x = 4,474.70 × 1,917.08
  4. Step 4: Simplify right side
    3,242.24x = 8,578,357.88
  5. Step 5: Solve for x
    x = 8,578,357.88/3,242.24
  6. Step 6: Final answer
    x = 2,645.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.