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Finding the Fourth Proportional to 3,355.31, 4,629.98 and 1,958.87

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Solution

The fourth proportional to 3,355.31, 4,629.98 and 1,958.87 is: 2,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,355.31 : 4,629.98 = 1,958.87 : x
  2. Step 2: Convert to fraction form
    3,355.31/4,629.98 = 1,958.87/x
  3. Step 3: Cross multiply
    3,355.31x = 4,629.98 × 1,958.87
  4. Step 4: Simplify right side
    3,355.31x = 9,069,510.67
  5. Step 5: Solve for x
    x = 9,069,510.67/3,355.31
  6. Step 6: Final answer
    x = 2,703.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.