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Finding the Fourth Proportional to 3,371, 5,056.84 and 906.06

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Solution

The fourth proportional to 3,371, 5,056.84 and 906.06 is: 1,359.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371 : 5,056.84 = 906.06 : x
  2. Step 2: Convert to fraction form
    3,371/5,056.84 = 906.06/x
  3. Step 3: Cross multiply
    3,371x = 5,056.84 × 906.06
  4. Step 4: Simplify right side
    3,371x = 4,581,800.45
  5. Step 5: Solve for x
    x = 4,581,800.45/3,371
  6. Step 6: Final answer
    x = 1,359.18

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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.