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Finding the Fourth Proportional to 3,474.88, 4,795.32 and 1,903.08

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Solution

The fourth proportional to 3,474.88, 4,795.32 and 1,903.08 is: 2,626.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.88 : 4,795.32 = 1,903.08 : x
  2. Step 2: Convert to fraction form
    3,474.88/4,795.32 = 1,903.08/x
  3. Step 3: Cross multiply
    3,474.88x = 4,795.32 × 1,903.08
  4. Step 4: Simplify right side
    3,474.88x = 9,125,877.59
  5. Step 5: Solve for x
    x = 9,125,877.59/3,474.88
  6. Step 6: Final answer
    x = 2,626.24

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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.