Home / 3,205.85-4,809.38-1,014.39

Finding the Fourth Proportional to 3,205.85, 4,809.38 and 1,014.39

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Solution

The fourth proportional to 3,205.85, 4,809.38 and 1,014.39 is: 1,521.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.85 : 4,809.38 = 1,014.39 : x
  2. Step 2: Convert to fraction form
    3,205.85/4,809.38 = 1,014.39/x
  3. Step 3: Cross multiply
    3,205.85x = 4,809.38 × 1,014.39
  4. Step 4: Simplify right side
    3,205.85x = 4,878,581.91
  5. Step 5: Solve for x
    x = 4,878,581.91/3,205.85
  6. Step 6: Final answer
    x = 1,521.78

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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.