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Finding the Fourth Proportional to 3,523.56, 5,277.21 and 2,530.21

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Solution

The fourth proportional to 3,523.56, 5,277.21 and 2,530.21 is: 3,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523.56 : 5,277.21 = 2,530.21 : x
  2. Step 2: Convert to fraction form
    3,523.56/5,277.21 = 2,530.21/x
  3. Step 3: Cross multiply
    3,523.56x = 5,277.21 × 2,530.21
  4. Step 4: Simplify right side
    3,523.56x = 13,352,423.13
  5. Step 5: Solve for x
    x = 13,352,423.13/3,523.56
  6. Step 6: Final answer
    x = 3,789.47

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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.