Home / 2,778.20-4,164.84-1,048.04

Finding the Fourth Proportional to 2,778.20, 4,164.84 and 1,048.04

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Solution

The fourth proportional to 2,778.20, 4,164.84 and 1,048.04 is: 1,571.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.20 : 4,164.84 = 1,048.04 : x
  2. Step 2: Convert to fraction form
    2,778.20/4,164.84 = 1,048.04/x
  3. Step 3: Cross multiply
    2,778.20x = 4,164.84 × 1,048.04
  4. Step 4: Simplify right side
    2,778.20x = 4,364,898.09
  5. Step 5: Solve for x
    x = 4,364,898.09/2,778.20
  6. Step 6: Final answer
    x = 1,571.13

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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.