Home / 3,621.94-4,990.56-2,440.96

Finding the Fourth Proportional to 3,621.94, 4,990.56 and 2,440.96

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Solution

The fourth proportional to 3,621.94, 4,990.56 and 2,440.96 is: 3,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.94 : 4,990.56 = 2,440.96 : x
  2. Step 2: Convert to fraction form
    3,621.94/4,990.56 = 2,440.96/x
  3. Step 3: Cross multiply
    3,621.94x = 4,990.56 × 2,440.96
  4. Step 4: Simplify right side
    3,621.94x = 12,181,757.34
  5. Step 5: Solve for x
    x = 12,181,757.34/3,621.94
  6. Step 6: Final answer
    x = 3,363.32

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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.