Home / 3,205.72-4,809.29-1,358.41

Finding the Fourth Proportional to 3,205.72, 4,809.29 and 1,358.41

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Solution

The fourth proportional to 3,205.72, 4,809.29 and 1,358.41 is: 2,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.72 : 4,809.29 = 1,358.41 : x
  2. Step 2: Convert to fraction form
    3,205.72/4,809.29 = 1,358.41/x
  3. Step 3: Cross multiply
    3,205.72x = 4,809.29 × 1,358.41
  4. Step 4: Simplify right side
    3,205.72x = 6,532,987.63
  5. Step 5: Solve for x
    x = 6,532,987.63/3,205.72
  6. Step 6: Final answer
    x = 2,037.92

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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.