Home / 3,240.08-4,859.90-1,265.34

Finding the Fourth Proportional to 3,240.08, 4,859.90 and 1,265.34

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Solution

The fourth proportional to 3,240.08, 4,859.90 and 1,265.34 is: 1,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.08 : 4,859.90 = 1,265.34 : x
  2. Step 2: Convert to fraction form
    3,240.08/4,859.90 = 1,265.34/x
  3. Step 3: Cross multiply
    3,240.08x = 4,859.90 × 1,265.34
  4. Step 4: Simplify right side
    3,240.08x = 6,149,419.54
  5. Step 5: Solve for x
    x = 6,149,419.54/3,240.08
  6. Step 6: Final answer
    x = 1,897.93

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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.