Home / 2,741.09-3,782.14-1,621.16

Finding the Fourth Proportional to 2,741.09, 3,782.14 and 1,621.16

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Solution

The fourth proportional to 2,741.09, 3,782.14 and 1,621.16 is: 2,236.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.09 : 3,782.14 = 1,621.16 : x
  2. Step 2: Convert to fraction form
    2,741.09/3,782.14 = 1,621.16/x
  3. Step 3: Cross multiply
    2,741.09x = 3,782.14 × 1,621.16
  4. Step 4: Simplify right side
    2,741.09x = 6,131,475.70
  5. Step 5: Solve for x
    x = 6,131,475.70/2,741.09
  6. Step 6: Final answer
    x = 2,236.87

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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.