Home / 1,942.29-2,913.36-481.41

Finding the Fourth Proportional to 1,942.29, 2,913.36 and 481.41

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Solution

The fourth proportional to 1,942.29, 2,913.36 and 481.41 is: 722.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942.29 : 2,913.36 = 481.41 : x
  2. Step 2: Convert to fraction form
    1,942.29/2,913.36 = 481.41/x
  3. Step 3: Cross multiply
    1,942.29x = 2,913.36 × 481.41
  4. Step 4: Simplify right side
    1,942.29x = 1,402,520.64
  5. Step 5: Solve for x
    x = 1,402,520.64/1,942.29
  6. Step 6: Final answer
    x = 722.10

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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.