Home / 2,741.85-3,783.99-1,622.61

Finding the Fourth Proportional to 2,741.85, 3,783.99 and 1,622.61

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Solution

The fourth proportional to 2,741.85, 3,783.99 and 1,622.61 is: 2,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.85 : 3,783.99 = 1,622.61 : x
  2. Step 2: Convert to fraction form
    2,741.85/3,783.99 = 1,622.61/x
  3. Step 3: Cross multiply
    2,741.85x = 3,783.99 × 1,622.61
  4. Step 4: Simplify right side
    2,741.85x = 6,139,940.01
  5. Step 5: Solve for x
    x = 6,139,940.01/2,741.85
  6. Step 6: Final answer
    x = 2,239.34

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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.