Home / 3,751.61-5,621.47-1,996.14

Finding the Fourth Proportional to 3,751.61, 5,621.47 and 1,996.14

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Solution

The fourth proportional to 3,751.61, 5,621.47 and 1,996.14 is: 2,991.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.61 : 5,621.47 = 1,996.14 : x
  2. Step 2: Convert to fraction form
    3,751.61/5,621.47 = 1,996.14/x
  3. Step 3: Cross multiply
    3,751.61x = 5,621.47 × 1,996.14
  4. Step 4: Simplify right side
    3,751.61x = 11,221,213.02
  5. Step 5: Solve for x
    x = 11,221,213.02/3,751.61
  6. Step 6: Final answer
    x = 2,991.04

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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.