Home / 4,278.30-5,905.35-2,706.90

Finding the Fourth Proportional to 4,278.30, 5,905.35 and 2,706.90

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Solution

The fourth proportional to 4,278.30, 5,905.35 and 2,706.90 is: 3,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.30 : 5,905.35 = 2,706.90 : x
  2. Step 2: Convert to fraction form
    4,278.30/5,905.35 = 2,706.90/x
  3. Step 3: Cross multiply
    4,278.30x = 5,905.35 × 2,706.90
  4. Step 4: Simplify right side
    4,278.30x = 15,985,191.92
  5. Step 5: Solve for x
    x = 15,985,191.92/4,278.30
  6. Step 6: Final answer
    x = 3,736.34

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