Home / 2,861.79-4,293.29-914.01

Finding the Fourth Proportional to 2,861.79, 4,293.29 and 914.01

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Solution

The fourth proportional to 2,861.79, 4,293.29 and 914.01 is: 1,371.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,861.79 : 4,293.29 = 914.01 : x
  2. Step 2: Convert to fraction form
    2,861.79/4,293.29 = 914.01/x
  3. Step 3: Cross multiply
    2,861.79x = 4,293.29 × 914.01
  4. Step 4: Simplify right side
    2,861.79x = 3,924,109.99
  5. Step 5: Solve for x
    x = 3,924,109.99/2,861.79
  6. Step 6: Final answer
    x = 1,371.21

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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.