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Finding the Fourth Proportional to 3,285.84, 4,900.26 and 2,802

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Solution

The fourth proportional to 3,285.84, 4,900.26 and 2,802 is: 4,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.84 : 4,900.26 = 2,802 : x
  2. Step 2: Convert to fraction form
    3,285.84/4,900.26 = 2,802/x
  3. Step 3: Cross multiply
    3,285.84x = 4,900.26 × 2,802
  4. Step 4: Simplify right side
    3,285.84x = 13,730,528.52
  5. Step 5: Solve for x
    x = 13,730,528.52/3,285.84
  6. Step 6: Final answer
    x = 4,178.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.