Home / 2,289.38-3,161.45-1,841.33

Finding the Fourth Proportional to 2,289.38, 3,161.45 and 1,841.33

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Solution

The fourth proportional to 2,289.38, 3,161.45 and 1,841.33 is: 2,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.38 : 3,161.45 = 1,841.33 : x
  2. Step 2: Convert to fraction form
    2,289.38/3,161.45 = 1,841.33/x
  3. Step 3: Cross multiply
    2,289.38x = 3,161.45 × 1,841.33
  4. Step 4: Simplify right side
    2,289.38x = 5,821,247.71
  5. Step 5: Solve for x
    x = 5,821,247.71/2,289.38
  6. Step 6: Final answer
    x = 2,542.72

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1.5x scale

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.