Home / 3,630.76-5,446.14-1,322.26

Finding the Fourth Proportional to 3,630.76, 5,446.14 and 1,322.26

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Solution

The fourth proportional to 3,630.76, 5,446.14 and 1,322.26 is: 1,983.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.76 : 5,446.14 = 1,322.26 : x
  2. Step 2: Convert to fraction form
    3,630.76/5,446.14 = 1,322.26/x
  3. Step 3: Cross multiply
    3,630.76x = 5,446.14 × 1,322.26
  4. Step 4: Simplify right side
    3,630.76x = 7,201,213.08
  5. Step 5: Solve for x
    x = 7,201,213.08/3,630.76
  6. Step 6: Final answer
    x = 1,983.39

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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.