Home / 2,782.64-4,168.08-1,805.84

Finding the Fourth Proportional to 2,782.64, 4,168.08 and 1,805.84

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Solution

The fourth proportional to 2,782.64, 4,168.08 and 1,805.84 is: 2,704.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.64 : 4,168.08 = 1,805.84 : x
  2. Step 2: Convert to fraction form
    2,782.64/4,168.08 = 1,805.84/x
  3. Step 3: Cross multiply
    2,782.64x = 4,168.08 × 1,805.84
  4. Step 4: Simplify right side
    2,782.64x = 7,526,885.59
  5. Step 5: Solve for x
    x = 7,526,885.59/2,782.64
  6. Step 6: Final answer
    x = 2,704.94

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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.