Home / 2,741.40-4,111.90-892.44

Finding the Fourth Proportional to 2,741.40, 4,111.90 and 892.44

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Solution

The fourth proportional to 2,741.40, 4,111.90 and 892.44 is: 1,338.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.40 : 4,111.90 = 892.44 : x
  2. Step 2: Convert to fraction form
    2,741.40/4,111.90 = 892.44/x
  3. Step 3: Cross multiply
    2,741.40x = 4,111.90 × 892.44
  4. Step 4: Simplify right side
    2,741.40x = 3,669,624.04
  5. Step 5: Solve for x
    x = 3,669,624.04/2,741.40
  6. Step 6: Final answer
    x = 1,338.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.