Home / 3,197.40-4,792.44-1,348.20

Finding the Fourth Proportional to 3,197.40, 4,792.44 and 1,348.20

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Solution

The fourth proportional to 3,197.40, 4,792.44 and 1,348.20 is: 2,020.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.40 : 4,792.44 = 1,348.20 : x
  2. Step 2: Convert to fraction form
    3,197.40/4,792.44 = 1,348.20/x
  3. Step 3: Cross multiply
    3,197.40x = 4,792.44 × 1,348.20
  4. Step 4: Simplify right side
    3,197.40x = 6,461,167.61
  5. Step 5: Solve for x
    x = 6,461,167.61/3,197.40
  6. Step 6: Final answer
    x = 2,020.76

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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.