Home / 2,914.14-4,371.85-2,142.30

Finding the Fourth Proportional to 2,914.14, 4,371.85 and 2,142.30

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Solution

The fourth proportional to 2,914.14, 4,371.85 and 2,142.30 is: 3,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914.14 : 4,371.85 = 2,142.30 : x
  2. Step 2: Convert to fraction form
    2,914.14/4,371.85 = 2,142.30/x
  3. Step 3: Cross multiply
    2,914.14x = 4,371.85 × 2,142.30
  4. Step 4: Simplify right side
    2,914.14x = 9,365,814.26
  5. Step 5: Solve for x
    x = 9,365,814.26/2,914.14
  6. Step 6: Final answer
    x = 3,213.92

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1.5x scale

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.