Home / 2,741.29-3,782.69-1,622.28

Finding the Fourth Proportional to 2,741.29, 3,782.69 and 1,622.28

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Solution

The fourth proportional to 2,741.29, 3,782.69 and 1,622.28 is: 2,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.29 : 3,782.69 = 1,622.28 : x
  2. Step 2: Convert to fraction form
    2,741.29/3,782.69 = 1,622.28/x
  3. Step 3: Cross multiply
    2,741.29x = 3,782.69 × 1,622.28
  4. Step 4: Simplify right side
    2,741.29x = 6,136,555.31
  5. Step 5: Solve for x
    x = 6,136,555.31/2,741.29
  6. Step 6: Final answer
    x = 2,238.56

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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.