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Finding the Fourth Proportional to 3,760.56, 5,644.08 and 1,814.40

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Solution

The fourth proportional to 3,760.56, 5,644.08 and 1,814.40 is: 2,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.56 : 5,644.08 = 1,814.40 : x
  2. Step 2: Convert to fraction form
    3,760.56/5,644.08 = 1,814.40/x
  3. Step 3: Cross multiply
    3,760.56x = 5,644.08 × 1,814.40
  4. Step 4: Simplify right side
    3,760.56x = 10,240,618.75
  5. Step 5: Solve for x
    x = 10,240,618.75/3,760.56
  6. Step 6: Final answer
    x = 2,723.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.