Home / 3,892.88-5,373.45-2,774.27

Finding the Fourth Proportional to 3,892.88, 5,373.45 and 2,774.27

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Solution

The fourth proportional to 3,892.88, 5,373.45 and 2,774.27 is: 3,829.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,892.88 : 5,373.45 = 2,774.27 : x
  2. Step 2: Convert to fraction form
    3,892.88/5,373.45 = 2,774.27/x
  3. Step 3: Cross multiply
    3,892.88x = 5,373.45 × 2,774.27
  4. Step 4: Simplify right side
    3,892.88x = 14,907,374.26
  5. Step 5: Solve for x
    x = 14,907,374.26/3,892.88
  6. Step 6: Final answer
    x = 3,829.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.