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Finding the Fourth Proportional to 3,253.70, 4,880.10 and 1,305.92

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Solution

The fourth proportional to 3,253.70, 4,880.10 and 1,305.92 is: 1,958.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.70 : 4,880.10 = 1,305.92 : x
  2. Step 2: Convert to fraction form
    3,253.70/4,880.10 = 1,305.92/x
  3. Step 3: Cross multiply
    3,253.70x = 4,880.10 × 1,305.92
  4. Step 4: Simplify right side
    3,253.70x = 6,373,020.19
  5. Step 5: Solve for x
    x = 6,373,020.19/3,253.70
  6. Step 6: Final answer
    x = 1,958.70

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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.