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Finding the Fourth Proportional to 3,505.30, 5,250.90 and 1,744.99

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Solution

The fourth proportional to 3,505.30, 5,250.90 and 1,744.99 is: 2,613.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.30 : 5,250.90 = 1,744.99 : x
  2. Step 2: Convert to fraction form
    3,505.30/5,250.90 = 1,744.99/x
  3. Step 3: Cross multiply
    3,505.30x = 5,250.90 × 1,744.99
  4. Step 4: Simplify right side
    3,505.30x = 9,162,767.99
  5. Step 5: Solve for x
    x = 9,162,767.99/3,505.30
  6. Step 6: Final answer
    x = 2,613.98

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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.