Home / 2,517.42-3,769.36-1,637.30

Finding the Fourth Proportional to 2,517.42, 3,769.36 and 1,637.30

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Solution

The fourth proportional to 2,517.42, 3,769.36 and 1,637.30 is: 2,451.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.42 : 3,769.36 = 1,637.30 : x
  2. Step 2: Convert to fraction form
    2,517.42/3,769.36 = 1,637.30/x
  3. Step 3: Cross multiply
    2,517.42x = 3,769.36 × 1,637.30
  4. Step 4: Simplify right side
    2,517.42x = 6,171,573.13
  5. Step 5: Solve for x
    x = 6,171,573.13/2,517.42
  6. Step 6: Final answer
    x = 2,451.55

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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.