Home / 3,023.21-4,534.23-831.38

Finding the Fourth Proportional to 3,023.21, 4,534.23 and 831.38

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Solution

The fourth proportional to 3,023.21, 4,534.23 and 831.38 is: 1,246.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,023.21 : 4,534.23 = 831.38 : x
  2. Step 2: Convert to fraction form
    3,023.21/4,534.23 = 831.38/x
  3. Step 3: Cross multiply
    3,023.21x = 4,534.23 × 831.38
  4. Step 4: Simplify right side
    3,023.21x = 3,769,668.14
  5. Step 5: Solve for x
    x = 3,769,668.14/3,023.21
  6. Step 6: Final answer
    x = 1,246.91

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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.