Home / 2,709.90-3,741.75-2,079.41

Finding the Fourth Proportional to 2,709.90, 3,741.75 and 2,079.41

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Solution

The fourth proportional to 2,709.90, 3,741.75 and 2,079.41 is: 2,871.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,709.90 : 3,741.75 = 2,079.41 : x
  2. Step 2: Convert to fraction form
    2,709.90/3,741.75 = 2,079.41/x
  3. Step 3: Cross multiply
    2,709.90x = 3,741.75 × 2,079.41
  4. Step 4: Simplify right side
    2,709.90x = 7,780,613.66
  5. Step 5: Solve for x
    x = 7,780,613.66/2,709.90
  6. Step 6: Final answer
    x = 2,871.18

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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.