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Finding the Fourth Proportional to 2,742.04, 4,109.41 and 2,375.11

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Solution

The fourth proportional to 2,742.04, 4,109.41 and 2,375.11 is: 3,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742.04 : 4,109.41 = 2,375.11 : x
  2. Step 2: Convert to fraction form
    2,742.04/4,109.41 = 2,375.11/x
  3. Step 3: Cross multiply
    2,742.04x = 4,109.41 × 2,375.11
  4. Step 4: Simplify right side
    2,742.04x = 9,760,300.79
  5. Step 5: Solve for x
    x = 9,760,300.79/2,742.04
  6. Step 6: Final answer
    x = 3,559.50

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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.