Home / 3,321.27-4,981.50-1,241.60

Finding the Fourth Proportional to 3,321.27, 4,981.50 and 1,241.60

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Solution

The fourth proportional to 3,321.27, 4,981.50 and 1,241.60 is: 1,862.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,321.27 : 4,981.50 = 1,241.60 : x
  2. Step 2: Convert to fraction form
    3,321.27/4,981.50 = 1,241.60/x
  3. Step 3: Cross multiply
    3,321.27x = 4,981.50 × 1,241.60
  4. Step 4: Simplify right side
    3,321.27x = 6,185,005.49
  5. Step 5: Solve for x
    x = 6,185,005.49/3,321.27
  6. Step 6: Final answer
    x = 1,862.24

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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.