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Finding the Fourth Proportional to 3,455.56, 4,758.96 and 3,444.76

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Solution

The fourth proportional to 3,455.56, 4,758.96 and 3,444.76 is: 4,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.56 : 4,758.96 = 3,444.76 : x
  2. Step 2: Convert to fraction form
    3,455.56/4,758.96 = 3,444.76/x
  3. Step 3: Cross multiply
    3,455.56x = 4,758.96 × 3,444.76
  4. Step 4: Simplify right side
    3,455.56x = 16,393,475.05
  5. Step 5: Solve for x
    x = 16,393,475.05/3,455.56
  6. Step 6: Final answer
    x = 4,744.09

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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.