Home / 1,631.67-2,448.07-536.12

Finding the Fourth Proportional to 1,631.67, 2,448.07 and 536.12

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Solution

The fourth proportional to 1,631.67, 2,448.07 and 536.12 is: 804.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.67 : 2,448.07 = 536.12 : x
  2. Step 2: Convert to fraction form
    1,631.67/2,448.07 = 536.12/x
  3. Step 3: Cross multiply
    1,631.67x = 2,448.07 × 536.12
  4. Step 4: Simplify right side
    1,631.67x = 1,312,459.29
  5. Step 5: Solve for x
    x = 1,312,459.29/1,631.67
  6. Step 6: Final answer
    x = 804.37

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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.