Home / 1,348.29-2,022.61-374.39

Finding the Fourth Proportional to 1,348.29, 2,022.61 and 374.39

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Solution

The fourth proportional to 1,348.29, 2,022.61 and 374.39 is: 561.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.29 : 2,022.61 = 374.39 : x
  2. Step 2: Convert to fraction form
    1,348.29/2,022.61 = 374.39/x
  3. Step 3: Cross multiply
    1,348.29x = 2,022.61 × 374.39
  4. Step 4: Simplify right side
    1,348.29x = 757,243.09
  5. Step 5: Solve for x
    x = 757,243.09/1,348.29
  6. Step 6: Final answer
    x = 561.63

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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.