Home / 2,741.22-3,782.20-1,621.69

Finding the Fourth Proportional to 2,741.22, 3,782.20 and 1,621.69

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Solution

The fourth proportional to 2,741.22, 3,782.20 and 1,621.69 is: 2,237.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.22 : 3,782.20 = 1,621.69 : x
  2. Step 2: Convert to fraction form
    2,741.22/3,782.20 = 1,621.69/x
  3. Step 3: Cross multiply
    2,741.22x = 3,782.20 × 1,621.69
  4. Step 4: Simplify right side
    2,741.22x = 6,133,555.92
  5. Step 5: Solve for x
    x = 6,133,555.92/2,741.22
  6. Step 6: Final answer
    x = 2,237.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.