Home / 2,184.78-3,260.38-1,951.23

Finding the Fourth Proportional to 2,184.78, 3,260.38 and 1,951.23

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Solution

The fourth proportional to 2,184.78, 3,260.38 and 1,951.23 is: 2,911.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.78 : 3,260.38 = 1,951.23 : x
  2. Step 2: Convert to fraction form
    2,184.78/3,260.38 = 1,951.23/x
  3. Step 3: Cross multiply
    2,184.78x = 3,260.38 × 1,951.23
  4. Step 4: Simplify right side
    2,184.78x = 6,361,751.27
  5. Step 5: Solve for x
    x = 6,361,751.27/2,184.78
  6. Step 6: Final answer
    x = 2,911.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.