Home / 3,162.38-4,743.36-1,313.01

Finding the Fourth Proportional to 3,162.38, 4,743.36 and 1,313.01

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Solution

The fourth proportional to 3,162.38, 4,743.36 and 1,313.01 is: 1,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.38 : 4,743.36 = 1,313.01 : x
  2. Step 2: Convert to fraction form
    3,162.38/4,743.36 = 1,313.01/x
  3. Step 3: Cross multiply
    3,162.38x = 4,743.36 × 1,313.01
  4. Step 4: Simplify right side
    3,162.38x = 6,228,079.11
  5. Step 5: Solve for x
    x = 6,228,079.11/3,162.38
  6. Step 6: Final answer
    x = 1,969.43

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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.