Home / 4,128.84-6,188.22-1,934.64

Finding the Fourth Proportional to 4,128.84, 6,188.22 and 1,934.64

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Solution

The fourth proportional to 4,128.84, 6,188.22 and 1,934.64 is: 2,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.84 : 6,188.22 = 1,934.64 : x
  2. Step 2: Convert to fraction form
    4,128.84/6,188.22 = 1,934.64/x
  3. Step 3: Cross multiply
    4,128.84x = 6,188.22 × 1,934.64
  4. Step 4: Simplify right side
    4,128.84x = 11,971,977.94
  5. Step 5: Solve for x
    x = 11,971,977.94/4,128.84
  6. Step 6: Final answer
    x = 2,899.60

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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.