Home / 3,613.02-4,986.42-2,436.60

Finding the Fourth Proportional to 3,613.02, 4,986.42 and 2,436.60

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Solution

The fourth proportional to 3,613.02, 4,986.42 and 2,436.60 is: 3,362.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613.02 : 4,986.42 = 2,436.60 : x
  2. Step 2: Convert to fraction form
    3,613.02/4,986.42 = 2,436.60/x
  3. Step 3: Cross multiply
    3,613.02x = 4,986.42 × 2,436.60
  4. Step 4: Simplify right side
    3,613.02x = 12,149,910.97
  5. Step 5: Solve for x
    x = 12,149,910.97/3,613.02
  6. Step 6: Final answer
    x = 3,362.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.