Home / 2,741.75-3,782.71-1,623.06

Finding the Fourth Proportional to 2,741.75, 3,782.71 and 1,623.06

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Solution

The fourth proportional to 2,741.75, 3,782.71 and 1,623.06 is: 2,239.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.75 : 3,782.71 = 1,623.06 : x
  2. Step 2: Convert to fraction form
    2,741.75/3,782.71 = 1,623.06/x
  3. Step 3: Cross multiply
    2,741.75x = 3,782.71 × 1,623.06
  4. Step 4: Simplify right side
    2,741.75x = 6,139,565.29
  5. Step 5: Solve for x
    x = 6,139,565.29/2,741.75
  6. Step 6: Final answer
    x = 2,239.29

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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.