Home / 3,197.67-4,792.80-1,248.21

Finding the Fourth Proportional to 3,197.67, 4,792.80 and 1,248.21

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Solution

The fourth proportional to 3,197.67, 4,792.80 and 1,248.21 is: 1,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.67 : 4,792.80 = 1,248.21 : x
  2. Step 2: Convert to fraction form
    3,197.67/4,792.80 = 1,248.21/x
  3. Step 3: Cross multiply
    3,197.67x = 4,792.80 × 1,248.21
  4. Step 4: Simplify right side
    3,197.67x = 5,982,420.89
  5. Step 5: Solve for x
    x = 5,982,420.89/3,197.67
  6. Step 6: Final answer
    x = 1,870.87

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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.