Home / 2,792.68-4,189.04-1,637.08

Finding the Fourth Proportional to 2,792.68, 4,189.04 and 1,637.08

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Solution

The fourth proportional to 2,792.68, 4,189.04 and 1,637.08 is: 2,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.68 : 4,189.04 = 1,637.08 : x
  2. Step 2: Convert to fraction form
    2,792.68/4,189.04 = 1,637.08/x
  3. Step 3: Cross multiply
    2,792.68x = 4,189.04 × 1,637.08
  4. Step 4: Simplify right side
    2,792.68x = 6,857,793.60
  5. Step 5: Solve for x
    x = 6,857,793.60/2,792.68
  6. Step 6: Final answer
    x = 2,455.63

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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.