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Finding the Fourth Proportional to 3,551.66, 4,901.07 and 1,958.24

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Solution

The fourth proportional to 3,551.66, 4,901.07 and 1,958.24 is: 2,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.66 : 4,901.07 = 1,958.24 : x
  2. Step 2: Convert to fraction form
    3,551.66/4,901.07 = 1,958.24/x
  3. Step 3: Cross multiply
    3,551.66x = 4,901.07 × 1,958.24
  4. Step 4: Simplify right side
    3,551.66x = 9,597,490.91
  5. Step 5: Solve for x
    x = 9,597,490.91/3,551.66
  6. Step 6: Final answer
    x = 2,702.26

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1.5x scale

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.