Home / 1,631.92-2,448.29-536.30

Finding the Fourth Proportional to 1,631.92, 2,448.29 and 536.30

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Solution

The fourth proportional to 1,631.92, 2,448.29 and 536.30 is: 804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.92 : 2,448.29 = 536.30 : x
  2. Step 2: Convert to fraction form
    1,631.92/2,448.29 = 536.30/x
  3. Step 3: Cross multiply
    1,631.92x = 2,448.29 × 536.30
  4. Step 4: Simplify right side
    1,631.92x = 1,313,009.32
  5. Step 5: Solve for x
    x = 1,313,009.32/1,631.92
  6. Step 6: Final answer
    x = 804.58

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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.