Home / 3,861.02-5,791.70-1,362.23

Finding the Fourth Proportional to 3,861.02, 5,791.70 and 1,362.23

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Solution

The fourth proportional to 3,861.02, 5,791.70 and 1,362.23 is: 2,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861.02 : 5,791.70 = 1,362.23 : x
  2. Step 2: Convert to fraction form
    3,861.02/5,791.70 = 1,362.23/x
  3. Step 3: Cross multiply
    3,861.02x = 5,791.70 × 1,362.23
  4. Step 4: Simplify right side
    3,861.02x = 7,889,627.49
  5. Step 5: Solve for x
    x = 7,889,627.49/3,861.02
  6. Step 6: Final answer
    x = 2,043.40

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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.