Home / 1,631.68-2,447.82-536.12

Finding the Fourth Proportional to 1,631.68, 2,447.82 and 536.12

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Solution

The fourth proportional to 1,631.68, 2,447.82 and 536.12 is: 804.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.68 : 2,447.82 = 536.12 : x
  2. Step 2: Convert to fraction form
    1,631.68/2,447.82 = 536.12/x
  3. Step 3: Cross multiply
    1,631.68x = 2,447.82 × 536.12
  4. Step 4: Simplify right side
    1,631.68x = 1,312,322.20
  5. Step 5: Solve for x
    x = 1,312,322.20/1,631.68
  6. Step 6: Final answer
    x = 804.28

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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.