Home / 2,741.46-3,782.94-1,857.60

Finding the Fourth Proportional to 2,741.46, 3,782.94 and 1,857.60

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Solution

The fourth proportional to 2,741.46, 3,782.94 and 1,857.60 is: 2,563.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.46 : 3,782.94 = 1,857.60 : x
  2. Step 2: Convert to fraction form
    2,741.46/3,782.94 = 1,857.60/x
  3. Step 3: Cross multiply
    2,741.46x = 3,782.94 × 1,857.60
  4. Step 4: Simplify right side
    2,741.46x = 7,027,189.34
  5. Step 5: Solve for x
    x = 7,027,189.34/2,741.46
  6. Step 6: Final answer
    x = 2,563.30

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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.