Home / 3,621-4,981.86-3,227.16

Finding the Fourth Proportional to 3,621, 4,981.86 and 3,227.16

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Solution

The fourth proportional to 3,621, 4,981.86 and 3,227.16 is: 4,440.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621 : 4,981.86 = 3,227.16 : x
  2. Step 2: Convert to fraction form
    3,621/4,981.86 = 3,227.16/x
  3. Step 3: Cross multiply
    3,621x = 4,981.86 × 3,227.16
  4. Step 4: Simplify right side
    3,621x = 16,077,259.32
  5. Step 5: Solve for x
    x = 16,077,259.32/3,621
  6. Step 6: Final answer
    x = 4,440.01

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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.