Home / 3,621.11-4,999.66-2,277.32

Finding the Fourth Proportional to 3,621.11, 4,999.66 and 2,277.32

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Solution

The fourth proportional to 3,621.11, 4,999.66 and 2,277.32 is: 3,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.11 : 4,999.66 = 2,277.32 : x
  2. Step 2: Convert to fraction form
    3,621.11/4,999.66 = 2,277.32/x
  3. Step 3: Cross multiply
    3,621.11x = 4,999.66 × 2,277.32
  4. Step 4: Simplify right side
    3,621.11x = 11,385,795.02
  5. Step 5: Solve for x
    x = 11,385,795.02/3,621.11
  6. Step 6: Final answer
    x = 3,144.29

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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.