Home / 1,841.17-2,760.77-961.54

Finding the Fourth Proportional to 1,841.17, 2,760.77 and 961.54

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Solution

The fourth proportional to 1,841.17, 2,760.77 and 961.54 is: 1,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.17 : 2,760.77 = 961.54 : x
  2. Step 2: Convert to fraction form
    1,841.17/2,760.77 = 961.54/x
  3. Step 3: Cross multiply
    1,841.17x = 2,760.77 × 961.54
  4. Step 4: Simplify right side
    1,841.17x = 2,654,590.79
  5. Step 5: Solve for x
    x = 2,654,590.79/1,841.17
  6. Step 6: Final answer
    x = 1,441.80

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1.5x scale

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.