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Finding the Fourth Proportional to 3,253.35, 4,881.24 and 1,520.76

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Solution

The fourth proportional to 3,253.35, 4,881.24 and 1,520.76 is: 2,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.35 : 4,881.24 = 1,520.76 : x
  2. Step 2: Convert to fraction form
    3,253.35/4,881.24 = 1,520.76/x
  3. Step 3: Cross multiply
    3,253.35x = 4,881.24 × 1,520.76
  4. Step 4: Simplify right side
    3,253.35x = 7,423,194.54
  5. Step 5: Solve for x
    x = 7,423,194.54/3,253.35
  6. Step 6: Final answer
    x = 2,281.71

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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.