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Finding the Fourth Proportional to 3,752.99, 5,173.63 and 2,630.54

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Solution

The fourth proportional to 3,752.99, 5,173.63 and 2,630.54 is: 3,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.99 : 5,173.63 = 2,630.54 : x
  2. Step 2: Convert to fraction form
    3,752.99/5,173.63 = 2,630.54/x
  3. Step 3: Cross multiply
    3,752.99x = 5,173.63 × 2,630.54
  4. Step 4: Simplify right side
    3,752.99x = 13,609,408.22
  5. Step 5: Solve for x
    x = 13,609,408.22/3,752.99
  6. Step 6: Final answer
    x = 3,626.29

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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.