Home / 2,391.66-3,581.82-1,523.34

Finding the Fourth Proportional to 2,391.66, 3,581.82 and 1,523.34

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Solution

The fourth proportional to 2,391.66, 3,581.82 and 1,523.34 is: 2,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.66 : 3,581.82 = 1,523.34 : x
  2. Step 2: Convert to fraction form
    2,391.66/3,581.82 = 1,523.34/x
  3. Step 3: Cross multiply
    2,391.66x = 3,581.82 × 1,523.34
  4. Step 4: Simplify right side
    2,391.66x = 5,456,329.68
  5. Step 5: Solve for x
    x = 5,456,329.68/2,391.66
  6. Step 6: Final answer
    x = 2,281.40

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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.