Home / 2,780.24-4,169.04-1,135.44

Finding the Fourth Proportional to 2,780.24, 4,169.04 and 1,135.44

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Solution

The fourth proportional to 2,780.24, 4,169.04 and 1,135.44 is: 1,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.24 : 4,169.04 = 1,135.44 : x
  2. Step 2: Convert to fraction form
    2,780.24/4,169.04 = 1,135.44/x
  3. Step 3: Cross multiply
    2,780.24x = 4,169.04 × 1,135.44
  4. Step 4: Simplify right side
    2,780.24x = 4,733,694.78
  5. Step 5: Solve for x
    x = 4,733,694.78/2,780.24
  6. Step 6: Final answer
    x = 1,702.62

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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.