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Finding the Fourth Proportional to 3,550.49, 4,899.35 and 1,956.86

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Solution

The fourth proportional to 3,550.49, 4,899.35 and 1,956.86 is: 2,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,550.49 : 4,899.35 = 1,956.86 : x
  2. Step 2: Convert to fraction form
    3,550.49/4,899.35 = 1,956.86/x
  3. Step 3: Cross multiply
    3,550.49x = 4,899.35 × 1,956.86
  4. Step 4: Simplify right side
    3,550.49x = 9,587,368.37
  5. Step 5: Solve for x
    x = 9,587,368.37/3,550.49
  6. Step 6: Final answer
    x = 2,700.30

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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.