Home / 1,452.49-2,004.22-831.37

Finding the Fourth Proportional to 1,452.49, 2,004.22 and 831.37

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Solution

The fourth proportional to 1,452.49, 2,004.22 and 831.37 is: 1,147.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.49 : 2,004.22 = 831.37 : x
  2. Step 2: Convert to fraction form
    1,452.49/2,004.22 = 831.37/x
  3. Step 3: Cross multiply
    1,452.49x = 2,004.22 × 831.37
  4. Step 4: Simplify right side
    1,452.49x = 1,666,248.38
  5. Step 5: Solve for x
    x = 1,666,248.38/1,452.49
  6. Step 6: Final answer
    x = 1,147.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.