Home / 2,618.40-3,923.04-2,184.96

Finding the Fourth Proportional to 2,618.40, 3,923.04 and 2,184.96

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Solution

The fourth proportional to 2,618.40, 3,923.04 and 2,184.96 is: 3,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.40 : 3,923.04 = 2,184.96 : x
  2. Step 2: Convert to fraction form
    2,618.40/3,923.04 = 2,184.96/x
  3. Step 3: Cross multiply
    2,618.40x = 3,923.04 × 2,184.96
  4. Step 4: Simplify right side
    2,618.40x = 8,571,685.48
  5. Step 5: Solve for x
    x = 8,571,685.48/2,618.40
  6. Step 6: Final answer
    x = 3,273.63

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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.