Home / 3,355.40-5,033.10-1,274.92

Finding the Fourth Proportional to 3,355.40, 5,033.10 and 1,274.92

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Solution

The fourth proportional to 3,355.40, 5,033.10 and 1,274.92 is: 1,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.40 : 5,033.10 = 1,274.92 : x
  2. Step 2: Convert to fraction form
    3,355.40/5,033.10 = 1,274.92/x
  3. Step 3: Cross multiply
    3,355.40x = 5,033.10 × 1,274.92
  4. Step 4: Simplify right side
    3,355.40x = 6,416,792.05
  5. Step 5: Solve for x
    x = 6,416,792.05/3,355.40
  6. Step 6: Final answer
    x = 1,912.38

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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.