Home / 2,741.24-4,109.13-1,281.42

Finding the Fourth Proportional to 2,741.24, 4,109.13 and 1,281.42

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Solution

The fourth proportional to 2,741.24, 4,109.13 and 1,281.42 is: 1,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.24 : 4,109.13 = 1,281.42 : x
  2. Step 2: Convert to fraction form
    2,741.24/4,109.13 = 1,281.42/x
  3. Step 3: Cross multiply
    2,741.24x = 4,109.13 × 1,281.42
  4. Step 4: Simplify right side
    2,741.24x = 5,265,521.36
  5. Step 5: Solve for x
    x = 5,265,521.36/2,741.24
  6. Step 6: Final answer
    x = 1,920.85

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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.