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Finding the Fourth Proportional to 3,301.71, 4,947.70 and 2,955.03

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Solution

The fourth proportional to 3,301.71, 4,947.70 and 2,955.03 is: 4,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,301.71 : 4,947.70 = 2,955.03 : x
  2. Step 2: Convert to fraction form
    3,301.71/4,947.70 = 2,955.03/x
  3. Step 3: Cross multiply
    3,301.71x = 4,947.70 × 2,955.03
  4. Step 4: Simplify right side
    3,301.71x = 14,620,601.93
  5. Step 5: Solve for x
    x = 14,620,601.93/3,301.71
  6. Step 6: Final answer
    x = 4,428.19

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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.