Home / 2,861.14-4,290.60-1,937.14

Finding the Fourth Proportional to 2,861.14, 4,290.60 and 1,937.14

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Solution

The fourth proportional to 2,861.14, 4,290.60 and 1,937.14 is: 2,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.14 : 4,290.60 = 1,937.14 : x
  2. Step 2: Convert to fraction form
    2,861.14/4,290.60 = 1,937.14/x
  3. Step 3: Cross multiply
    2,861.14x = 4,290.60 × 1,937.14
  4. Step 4: Simplify right side
    2,861.14x = 8,311,492.88
  5. Step 5: Solve for x
    x = 8,311,492.88/2,861.14
  6. Step 6: Final answer
    x = 2,904.96

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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.