Home / 3,631.10-5,446.65-1,322.30

Finding the Fourth Proportional to 3,631.10, 5,446.65 and 1,322.30

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Solution

The fourth proportional to 3,631.10, 5,446.65 and 1,322.30 is: 1,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.10 : 5,446.65 = 1,322.30 : x
  2. Step 2: Convert to fraction form
    3,631.10/5,446.65 = 1,322.30/x
  3. Step 3: Cross multiply
    3,631.10x = 5,446.65 × 1,322.30
  4. Step 4: Simplify right side
    3,631.10x = 7,202,105.30
  5. Step 5: Solve for x
    x = 7,202,105.30/3,631.10
  6. Step 6: Final answer
    x = 1,983.45

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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.