Home / 3,197.05-4,792.50-1,637.79

Finding the Fourth Proportional to 3,197.05, 4,792.50 and 1,637.79

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Solution

The fourth proportional to 3,197.05, 4,792.50 and 1,637.79 is: 2,455.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.05 : 4,792.50 = 1,637.79 : x
  2. Step 2: Convert to fraction form
    3,197.05/4,792.50 = 1,637.79/x
  3. Step 3: Cross multiply
    3,197.05x = 4,792.50 × 1,637.79
  4. Step 4: Simplify right side
    3,197.05x = 7,849,122.17
  5. Step 5: Solve for x
    x = 7,849,122.17/3,197.05
  6. Step 6: Final answer
    x = 2,455.11

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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.