Home / 3,216.45-4,823.77-1,241.79

Finding the Fourth Proportional to 3,216.45, 4,823.77 and 1,241.79

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Solution

The fourth proportional to 3,216.45, 4,823.77 and 1,241.79 is: 1,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.45 : 4,823.77 = 1,241.79 : x
  2. Step 2: Convert to fraction form
    3,216.45/4,823.77 = 1,241.79/x
  3. Step 3: Cross multiply
    3,216.45x = 4,823.77 × 1,241.79
  4. Step 4: Simplify right side
    3,216.45x = 5,990,109.35
  5. Step 5: Solve for x
    x = 5,990,109.35/3,216.45
  6. Step 6: Final answer
    x = 1,862.34

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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.