Home / 3,631.21-5,449.23-1,322.71

Finding the Fourth Proportional to 3,631.21, 5,449.23 and 1,322.71

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Solution

The fourth proportional to 3,631.21, 5,449.23 and 1,322.71 is: 1,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.21 : 5,449.23 = 1,322.71 : x
  2. Step 2: Convert to fraction form
    3,631.21/5,449.23 = 1,322.71/x
  3. Step 3: Cross multiply
    3,631.21x = 5,449.23 × 1,322.71
  4. Step 4: Simplify right side
    3,631.21x = 7,207,751.01
  5. Step 5: Solve for x
    x = 7,207,751.01/3,631.21
  6. Step 6: Final answer
    x = 1,984.94

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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.