Home / 3,621.96-5,433.06-2,637.78

Finding the Fourth Proportional to 3,621.96, 5,433.06 and 2,637.78

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Solution

The fourth proportional to 3,621.96, 5,433.06 and 2,637.78 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.96 : 5,433.06 = 2,637.78 : x
  2. Step 2: Convert to fraction form
    3,621.96/5,433.06 = 2,637.78/x
  3. Step 3: Cross multiply
    3,621.96x = 5,433.06 × 2,637.78
  4. Step 4: Simplify right side
    3,621.96x = 14,331,217.01
  5. Step 5: Solve for x
    x = 14,331,217.01/3,621.96
  6. Step 6: Final answer
    x = 3,956.76

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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.