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Finding the Fourth Proportional to 3,194.70, 4,792.02 and 1,003.40

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Solution

The fourth proportional to 3,194.70, 4,792.02 and 1,003.40 is: 1,505.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,194.70 : 4,792.02 = 1,003.40 : x
  2. Step 2: Convert to fraction form
    3,194.70/4,792.02 = 1,003.40/x
  3. Step 3: Cross multiply
    3,194.70x = 4,792.02 × 1,003.40
  4. Step 4: Simplify right side
    3,194.70x = 4,808,312.87
  5. Step 5: Solve for x
    x = 4,808,312.87/3,194.70
  6. Step 6: Final answer
    x = 1,505.09

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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.